diff --git a/README.md b/README.md
index e724371f..34d888ea 100644
--- a/README.md
+++ b/README.md
@@ -370,7 +370,7 @@ The loader will search up the directory tree for configuration in the following
 
 - a `postcss` property in `package.json`
 - a `.postcssrc` file in JSON or YAML format
-- a `.postcss.json`, `.postcss.yaml`, `.postcss.yml`, `.postcss.js`, or `.postcss.cjs` file
+- a `.postcssrc.json`, `.postcssrc.yaml`, `.postcssrc.yml`, `.postcssrc.js`, or `.postcssrc.cjs` file
 - a `postcss.config.js` or `postcss.config.cjs` CommonJS module exporting an object (**recommended**)
 
 ##### Examples of Config Files
diff --git a/package-lock.json b/package-lock.json
index c89940ae..c19ce68a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,12 +5,12 @@
   "requires": true,
   "dependencies": {
     "@babel/cli": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.12.1.tgz",
-      "integrity": "sha512-eRJREyrfAJ2r42Iaxe8h3v6yyj1wu9OyosaUHW6UImjGf9ahGL9nsFNh7OCopvtcPL8WnEo7tp78wrZaZ6vG9g==",
+      "version": "7.12.8",
+      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.12.8.tgz",
+      "integrity": "sha512-/6nQj11oaGhLmZiuRUfxsujiPDc9BBReemiXgIbxc+M5W+MIiFKYwvNDJvBfnGKNsJTKbUfEheKc9cwoPHAVQA==",
       "dev": true,
       "requires": {
-        "@nicolo-ribaudo/chokidar-2": "^2.1.8",
+        "@nicolo-ribaudo/chokidar-2": "2.1.8-no-fsevents",
         "chokidar": "^3.4.0",
         "commander": "^4.0.1",
         "convert-source-map": "^1.1.0",
@@ -31,25 +31,25 @@
       }
     },
     "@babel/compat-data": {
-      "version": "7.12.5",
-      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.12.5.tgz",
-      "integrity": "sha512-DTsS7cxrsH3by8nqQSpFSyjSfSYl57D6Cf4q8dW3LK83tBKBDCkfcay1nYkXq1nIHXnpX8WMMb/O25HOy3h1zg==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.12.7.tgz",
+      "integrity": "sha512-YaxPMGs/XIWtYqrdEOZOCPsVWfEoriXopnsz3/i7apYPXQ3698UFhS6dVT1KN5qOsWmVgw/FOrmQgpRaZayGsw==",
       "dev": true
     },
     "@babel/core": {
-      "version": "7.12.3",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.12.3.tgz",
-      "integrity": "sha512-0qXcZYKZp3/6N2jKYVxZv0aNCsxTSVCiK72DTiTYZAu7sjg73W0/aynWjMbiGd87EQL4WyA8reiJVh92AVla9g==",
+      "version": "7.12.8",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.12.8.tgz",
+      "integrity": "sha512-ra28JXL+5z73r1IC/t+FT1ApXU5LsulFDnTDntNfLQaScJUJmcHL5Qxm/IWanCToQk3bPWQo5bflbplU5r15pg==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.10.4",
-        "@babel/generator": "^7.12.1",
+        "@babel/generator": "^7.12.5",
         "@babel/helper-module-transforms": "^7.12.1",
-        "@babel/helpers": "^7.12.1",
-        "@babel/parser": "^7.12.3",
-        "@babel/template": "^7.10.4",
-        "@babel/traverse": "^7.12.1",
-        "@babel/types": "^7.12.1",
+        "@babel/helpers": "^7.12.5",
+        "@babel/parser": "^7.12.7",
+        "@babel/template": "^7.12.7",
+        "@babel/traverse": "^7.12.8",
+        "@babel/types": "^7.12.7",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
         "gensync": "^1.0.0-beta.1",
@@ -147,13 +147,12 @@
       }
     },
     "@babel/helper-create-regexp-features-plugin": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/helper-create-regexp-features-plugin/-/helper-create-regexp-features-plugin-7.12.1.tgz",
-      "integrity": "sha512-rsZ4LGvFTZnzdNZR5HZdmJVuXK8834R5QkF3WvcnBhrlVtF0HSIUC6zbreL9MgjTywhKokn8RIYRiq99+DLAxA==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/helper-create-regexp-features-plugin/-/helper-create-regexp-features-plugin-7.12.7.tgz",
+      "integrity": "sha512-idnutvQPdpbduutvi3JVfEgcVIHooQnhvhx0Nk9isOINOIGYkZea1Pk2JlJRiUnMefrlvr0vkByATBY/mB4vjQ==",
       "dev": true,
       "requires": {
         "@babel/helper-annotate-as-pure": "^7.10.4",
-        "@babel/helper-regex": "^7.10.4",
         "regexpu-core": "^4.7.1"
       }
     },
@@ -207,12 +206,12 @@
       }
     },
     "@babel/helper-member-expression-to-functions": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.12.1.tgz",
-      "integrity": "sha512-k0CIe3tXUKTRSoEx1LQEPFU9vRQfqHtl+kf8eNnDqb4AUJEy5pz6aIiog+YWtVm2jpggjS1laH68bPsR+KWWPQ==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.12.7.tgz",
+      "integrity": "sha512-DCsuPyeWxeHgh1Dus7APn7iza42i/qXqiFPWyBDdOFtvS581JQePsc1F/nD+fHrcswhLlRc2UpYS1NwERxZhHw==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.12.1"
+        "@babel/types": "^7.12.7"
       }
     },
     "@babel/helper-module-imports": {
@@ -242,12 +241,12 @@
       }
     },
     "@babel/helper-optimise-call-expression": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.10.4.tgz",
-      "integrity": "sha512-n3UGKY4VXwXThEiKrgRAoVPBMqeoPgHVqiHZOanAJCG9nQUL2pLRQirUzl0ioKclHGpGqRgIOkgcIJaIWLpygg==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.12.7.tgz",
+      "integrity": "sha512-I5xc9oSJ2h59OwyUqjv95HRyzxj53DAubUERgQMrpcCEYQyToeHA+NEcUEsVWB4j53RDeskeBJ0SgRAYHDBckw==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.10.4"
+        "@babel/types": "^7.12.7"
       }
     },
     "@babel/helper-plugin-utils": {
@@ -256,15 +255,6 @@
       "integrity": "sha512-O4KCvQA6lLiMU9l2eawBPMf1xPP8xPfB3iEQw150hOVTqj/rfXz0ThTb4HEzqQfs2Bmo5Ay8BzxfzVtBrr9dVg==",
       "dev": true
     },
-    "@babel/helper-regex": {
-      "version": "7.10.5",
-      "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.10.5.tgz",
-      "integrity": "sha512-68kdUAzDrljqBrio7DYAEgCoJHxppJOERHOgOrDN7WjOzP0ZQ1LsSDRXcemzVZaLvjaJsJEESb6qt+znNuENDg==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.19"
-      }
-    },
     "@babel/helper-remap-async-to-generator": {
       "version": "7.12.1",
       "resolved": "https://registry.npmjs.org/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.12.1.tgz",
@@ -360,9 +350,9 @@
       }
     },
     "@babel/parser": {
-      "version": "7.12.5",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.12.5.tgz",
-      "integrity": "sha512-FVM6RZQ0mn2KCf1VUED7KepYeUWoVShczewOCfm3nzoBybaih51h+sYVVGthW9M6lPByEPTQf+xm27PBdlpwmQ==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.12.7.tgz",
+      "integrity": "sha512-oWR02Ubp4xTLCAqPRiNIuMVgNO5Aif/xpXtabhzW2HWUD47XJsAB4Zd/Rg30+XeQA3juXigV7hlquOTmwqLiwg==",
       "dev": true
     },
     "@babel/plugin-proposal-async-generator-functions": {
@@ -437,9 +427,9 @@
       }
     },
     "@babel/plugin-proposal-numeric-separator": {
-      "version": "7.12.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.12.5.tgz",
-      "integrity": "sha512-UiAnkKuOrCyjZ3sYNHlRlfuZJbBHknMQ9VMwVeX97Ofwx7RpD6gS2HfqTCh8KNUQgcOm8IKt103oR4KIjh7Q8g==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.12.7.tgz",
+      "integrity": "sha512-8c+uy0qmnRTeukiGsjLGy6uVs/TFjJchGXUeBqlG4VWYOdJWkhhVPdQ3uHwbmalfJwv2JsV0qffXP4asRfL2SQ==",
       "dev": true,
       "requires": {
         "@babel/helper-plugin-utils": "^7.10.4",
@@ -468,9 +458,9 @@
       }
     },
     "@babel/plugin-proposal-optional-chaining": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.12.1.tgz",
-      "integrity": "sha512-c2uRpY6WzaVDzynVY9liyykS+kVU+WRZPMPYpkelXH8KBt1oXoI89kPbZKKG/jDT5UK92FTW2fZkZaJhdiBabw==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.12.7.tgz",
+      "integrity": "sha512-4ovylXZ0PWmwoOvhU2vhnzVNnm88/Sm9nx7V8BPgMvAzn5zDou3/Awy0EjglyubVHasJj+XCEkr/r1X3P5elCA==",
       "dev": true,
       "requires": {
         "@babel/helper-plugin-utils": "^7.10.4",
@@ -892,13 +882,12 @@
       }
     },
     "@babel/plugin-transform-sticky-regex": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.12.1.tgz",
-      "integrity": "sha512-CiUgKQ3AGVk7kveIaPEET1jNDhZZEl1RPMWdTBE1799bdz++SwqDHStmxfCtDfBhQgCl38YRiSnrMuUMZIWSUQ==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.12.7.tgz",
+      "integrity": "sha512-VEiqZL5N/QvDbdjfYQBhruN0HYjSPjC4XkeqW4ny/jNtH9gcbgaqBIXYEZCNnESMAGs0/K/R7oFGMhOyu/eIxg==",
       "dev": true,
       "requires": {
-        "@babel/helper-plugin-utils": "^7.10.4",
-        "@babel/helper-regex": "^7.10.4"
+        "@babel/helper-plugin-utils": "^7.10.4"
       }
     },
     "@babel/plugin-transform-template-literals": {
@@ -939,14 +928,14 @@
       }
     },
     "@babel/preset-env": {
-      "version": "7.12.1",
-      "resolved": "https://registry.npmjs.org/@babel/preset-env/-/preset-env-7.12.1.tgz",
-      "integrity": "sha512-H8kxXmtPaAGT7TyBvSSkoSTUK6RHh61So05SyEbpmr0MCZrsNYn7mGMzzeYoOUCdHzww61k8XBft2TaES+xPLg==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/preset-env/-/preset-env-7.12.7.tgz",
+      "integrity": "sha512-OnNdfAr1FUQg7ksb7bmbKoby4qFOHw6DKWWUNB9KqnnCldxhxJlP+21dpyaWFmf2h0rTbOkXJtAGevY3XW1eew==",
       "dev": true,
       "requires": {
-        "@babel/compat-data": "^7.12.1",
-        "@babel/helper-compilation-targets": "^7.12.1",
-        "@babel/helper-module-imports": "^7.12.1",
+        "@babel/compat-data": "^7.12.7",
+        "@babel/helper-compilation-targets": "^7.12.5",
+        "@babel/helper-module-imports": "^7.12.5",
         "@babel/helper-plugin-utils": "^7.10.4",
         "@babel/helper-validator-option": "^7.12.1",
         "@babel/plugin-proposal-async-generator-functions": "^7.12.1",
@@ -956,10 +945,10 @@
         "@babel/plugin-proposal-json-strings": "^7.12.1",
         "@babel/plugin-proposal-logical-assignment-operators": "^7.12.1",
         "@babel/plugin-proposal-nullish-coalescing-operator": "^7.12.1",
-        "@babel/plugin-proposal-numeric-separator": "^7.12.1",
+        "@babel/plugin-proposal-numeric-separator": "^7.12.7",
         "@babel/plugin-proposal-object-rest-spread": "^7.12.1",
         "@babel/plugin-proposal-optional-catch-binding": "^7.12.1",
-        "@babel/plugin-proposal-optional-chaining": "^7.12.1",
+        "@babel/plugin-proposal-optional-chaining": "^7.12.7",
         "@babel/plugin-proposal-private-methods": "^7.12.1",
         "@babel/plugin-proposal-unicode-property-regex": "^7.12.1",
         "@babel/plugin-syntax-async-generators": "^7.8.0",
@@ -1001,14 +990,14 @@
         "@babel/plugin-transform-reserved-words": "^7.12.1",
         "@babel/plugin-transform-shorthand-properties": "^7.12.1",
         "@babel/plugin-transform-spread": "^7.12.1",
-        "@babel/plugin-transform-sticky-regex": "^7.12.1",
+        "@babel/plugin-transform-sticky-regex": "^7.12.7",
         "@babel/plugin-transform-template-literals": "^7.12.1",
         "@babel/plugin-transform-typeof-symbol": "^7.12.1",
         "@babel/plugin-transform-unicode-escapes": "^7.12.1",
         "@babel/plugin-transform-unicode-regex": "^7.12.1",
         "@babel/preset-modules": "^0.1.3",
-        "@babel/types": "^7.12.1",
-        "core-js-compat": "^3.6.2",
+        "@babel/types": "^7.12.7",
+        "core-js-compat": "^3.7.0",
         "semver": "^5.5.0"
       },
       "dependencies": {
@@ -1043,28 +1032,28 @@
       }
     },
     "@babel/template": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.10.4.tgz",
-      "integrity": "sha512-ZCjD27cGJFUB6nmCB1Enki3r+L5kJveX9pq1SvAUKoICy6CZ9yD8xO086YXdYhvNjBdnekm4ZnaP5yC8Cs/1tA==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.12.7.tgz",
+      "integrity": "sha512-GkDzmHS6GV7ZeXfJZ0tLRBhZcMcY0/Lnb+eEbXDBfCAcZCjrZKe6p3J4we/D24O9Y8enxWAg1cWwof59yLh2ow==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.10.4",
-        "@babel/parser": "^7.10.4",
-        "@babel/types": "^7.10.4"
+        "@babel/parser": "^7.12.7",
+        "@babel/types": "^7.12.7"
       }
     },
     "@babel/traverse": {
-      "version": "7.12.5",
-      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.5.tgz",
-      "integrity": "sha512-xa15FbQnias7z9a62LwYAA5SZZPkHIXpd42C6uW68o8uTuua96FHZy1y61Va5P/i83FAAcMpW8+A/QayntzuqA==",
+      "version": "7.12.8",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.8.tgz",
+      "integrity": "sha512-EIRQXPTwFEGRZyu6gXbjfpNORN1oZvwuzJbxcXjAgWV0iqXYDszN1Hx3FVm6YgZfu1ZQbCVAk3l+nIw95Xll9Q==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.10.4",
         "@babel/generator": "^7.12.5",
         "@babel/helper-function-name": "^7.10.4",
         "@babel/helper-split-export-declaration": "^7.11.0",
-        "@babel/parser": "^7.12.5",
-        "@babel/types": "^7.12.5",
+        "@babel/parser": "^7.12.7",
+        "@babel/types": "^7.12.7",
         "debug": "^4.1.0",
         "globals": "^11.1.0",
         "lodash": "^4.17.19"
@@ -1088,9 +1077,9 @@
       }
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     "@babel/types": {
-      "version": "7.12.6",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.12.6.tgz",
-      "integrity": "sha512-hwyjw6GvjBLiyy3W0YQf0Z5Zf4NpYejUnKFcfcUhZCSffoBBp30w6wP2Wn6pk31jMYZvcOrB/1b7cGXvEoKogA==",
+      "version": "7.12.7",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.12.7.tgz",
+      "integrity": "sha512-MNyI92qZq6jrQkXvtIiykvl4WtoRrVV9MPn+ZfsoEENjiWcBQ3ZSHrkxnJWgWtLX3XXqX5hrSQ+X69wkmesXuQ==",
       "dev": true,
       "requires": {
         "@babel/helper-validator-identifier": "^7.10.4",
@@ -2157,36 +2146,23 @@
       }
     },
     "@nicolo-ribaudo/chokidar-2": {
-      "version": "2.1.8",
-      "resolved": "https://registry.npmjs.org/@nicolo-ribaudo/chokidar-2/-/chokidar-2-2.1.8.tgz",
-      "integrity": "sha512-FohwULwAebCUKi/akMFyGi7jfc7JXTeMHzKxuP3umRd9mK/2Y7/SMBSI2jX+YLopPXi+PF9l307NmpfxTdCegA==",
+      "version": "2.1.8-no-fsevents",
+      "resolved": "https://registry.npmjs.org/@nicolo-ribaudo/chokidar-2/-/chokidar-2-2.1.8-no-fsevents.tgz",
+      "integrity": "sha512-+nb9vWloHNNMFHjGofEam3wopE3m1yuambrrd/fnPc+lFOMB9ROTqQlche9ByFWNkdNqfSgR/kkQtQ8DzEWt2w==",
       "dev": true,
       "optional": true,
       "requires": {
-        "chokidar": "2.1.8"
-      },
-      "dependencies": {
-        "chokidar": {
-          "version": "2.1.8",
-          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
-          "integrity": "sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "anymatch": "^2.0.0",
-            "async-each": "^1.0.1",
-            "braces": "^2.3.2",
-            "fsevents": "^1.2.7",
-            "glob-parent": "^3.1.0",
-            "inherits": "^2.0.3",
-            "is-binary-path": "^1.0.0",
-            "is-glob": "^4.0.0",
-            "normalize-path": "^3.0.0",
-            "path-is-absolute": "^1.0.0",
-            "readdirp": "^2.2.1",
-            "upath": "^1.1.1"
-          }
-        }
+        "anymatch": "^2.0.0",
+        "async-each": "^1.0.1",
+        "braces": "^2.3.2",
+        "glob-parent": "^3.1.0",
+        "inherits": "^2.0.3",
+        "is-binary-path": "^1.0.0",
+        "is-glob": "^4.0.0",
+        "normalize-path": "^3.0.0",
+        "path-is-absolute": "^1.0.0",
+        "readdirp": "^2.2.1",
+        "upath": "^1.1.1"
       }
     },
     "@nodelib/fs.scandir": {
@@ -2367,9 +2343,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "14.14.8",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.8.tgz",
-      "integrity": "sha512-z/5Yd59dCKI5kbxauAJgw6dLPzW+TNOItNE00PkpzNwUIEwdj/Lsqwq94H5DdYBX7C13aRA0CY32BK76+neEUA==",
+      "version": "14.14.9",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.9.tgz",
+      "integrity": "sha512-JsoLXFppG62tWTklIoO4knA+oDTYsmqWxHRvd4lpmfQRNhX6osheUOWETP2jMoV/2bEHuMra8Pp3Dmo/stBFcw==",
       "dev": true
     },
     "@types/normalize-package-data": {
@@ -3246,16 +3222,6 @@
       "dev": true,
       "optional": true
     },
-    "bindings": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
-      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "file-uri-to-path": "1.0.0"
-      }
-    },
     "boolbase": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
@@ -3429,9 +3395,9 @@
       }
     },
     "caniuse-lite": {
-      "version": "1.0.30001159",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001159.tgz",
-      "integrity": "sha512-w9Ph56jOsS8RL20K9cLND3u/+5WASWdhC/PPrf+V3/HsM3uHOavWOR1Xzakbv4Puo/srmPHudkmCRWM7Aq+/UA==",
+      "version": "1.0.30001161",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001161.tgz",
+      "integrity": "sha512-JharrCDxOqPLBULF9/SPa6yMcBRTjZARJ6sc3cuKrPfyIk64JN6kuMINWqA99Xc8uElMFcROliwtz0n9pYej+g==",
       "dev": true
     },
     "capture-exit": {
@@ -3533,13 +3499,6 @@
             "to-regex-range": "^5.0.1"
           }
         },
-        "fsevents": {
-          "version": "2.1.3",
-          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.3.tgz",
-          "integrity": "sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==",
-          "dev": true,
-          "optional": true
-        },
         "glob-parent": {
           "version": "5.1.1",
           "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.1.tgz",
@@ -5788,9 +5747,9 @@
       }
     },
     "electron-to-chromium": {
-      "version": "1.3.601",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.601.tgz",
-      "integrity": "sha512-ctRyXD9y0mZu8pgeNwBUhLP3Guyr5YuqkfLKYmpTwYx7o9JtCEJme9JVX4xBXPr5ZNvr/iBXUvHLFEVJQThATg==",
+      "version": "1.3.606",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.606.tgz",
+      "integrity": "sha512-+/2yPHwtNf6NWKpaYt0KoqdSZ6Qddt6nDfH/pnhcrHq9hSb23e5LFy06Mlf0vF2ykXvj7avJ597psqcbKnG5YQ==",
       "dev": true
     },
     "emittery": {
@@ -5820,9 +5779,9 @@
       }
     },
     "enhanced-resolve": {
-      "version": "5.3.1",
-      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.3.1.tgz",
-      "integrity": "sha512-G1XD3MRGrGfNcf6Hg0LVZG7GIKcYkbfHa5QMxt1HDUTdYoXH0JR1xXyg+MaKLF73E9A27uWNVxvFivNRYeUB6w==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.3.2.tgz",
+      "integrity": "sha512-G28GCrglCAH6+EqMN2D+Q2wCUS1O1vVQJBn8ME2I/Api41YBe4vLWWRBOUbwDH7vwzSZdljxwTRVqnf+sm6XqQ==",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.2.4",
@@ -5971,9 +5930,9 @@
       }
     },
     "eslint": {
-      "version": "7.13.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.13.0.tgz",
-      "integrity": "sha512-uCORMuOO8tUzJmsdRtrvcGq5qposf7Rw0LwkTJkoDbOycVQtQjmnhZSuLQnozLE4TmAzlMVV45eCHmQ1OpDKUQ==",
+      "version": "7.14.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.14.0.tgz",
+      "integrity": "sha512-5YubdnPXrlrYAFCKybPuHIAH++PINe1pmKNc5wQRB9HSbqIK1ywAnntE3Wwua4giKu0bjligf1gLF6qxMGOYRA==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
@@ -6767,13 +6726,6 @@
         "flat-cache": "^2.0.1"
       }
     },
-    "file-uri-to-path": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
-      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
-      "dev": true,
-      "optional": true
-    },
     "fill-range": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
@@ -6928,15 +6880,11 @@
       "dev": true
     },
     "fsevents": {
-      "version": "1.2.13",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
-      "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.3.tgz",
+      "integrity": "sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==",
       "dev": true,
-      "optional": true,
-      "requires": {
-        "bindings": "^1.5.0",
-        "nan": "^2.12.1"
-      }
+      "optional": true
     },
     "function-bind": {
       "version": "1.1.1",
@@ -8878,13 +8826,6 @@
             "to-regex-range": "^5.0.1"
           }
         },
-        "fsevents": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.2.1.tgz",
-          "integrity": "sha512-bTLYHSeC0UH/EFXS9KqWnXuOl/wHK5Z/d+ghd5AsFMYN7wIGkUCOJyzy88+wJKkZPGON8u4Z9f6U4FdgURE9qA==",
-          "dev": true,
-          "optional": true
-        },
         "is-number": {
           "version": "7.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
@@ -10057,36 +9998,15 @@
         "type-check": "~0.4.0"
       }
     },
-    "line-column": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/line-column/-/line-column-1.0.2.tgz",
-      "integrity": "sha1-0lryk2tvSEkXKzEuR5LR2Ye8NKI=",
-      "dev": true,
-      "requires": {
-        "isarray": "^1.0.0",
-        "isobject": "^2.0.0"
-      },
-      "dependencies": {
-        "isobject": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-          "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-          "dev": true,
-          "requires": {
-            "isarray": "1.0.0"
-          }
-        }
-      }
-    },
     "lines-and-columns": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.1.6.tgz",
       "integrity": "sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA="
     },
     "lint-staged": {
-      "version": "10.5.1",
-      "resolved": "https://registry.npmjs.org/lint-staged/-/lint-staged-10.5.1.tgz",
-      "integrity": "sha512-fTkTGFtwFIJJzn/PbUO3RXyEBHIhbfYBE7+rJyLcOXabViaO/h6OslgeK6zpeUtzkDrzkgyAYDTLAwx6JzDTHw==",
+      "version": "10.5.2",
+      "resolved": "https://registry.npmjs.org/lint-staged/-/lint-staged-10.5.2.tgz",
+      "integrity": "sha512-e8AYR1TDlzwB8VVd38Xu2lXDZf6BcshVqKVuBQThDJRaJLobqKnpbm4dkwJ2puypQNbLr9KF/9mfA649mAGvjA==",
       "dev": true,
       "requires": {
         "chalk": "^4.1.0",
@@ -11038,17 +10958,10 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
-    "nan": {
-      "version": "2.14.2",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.2.tgz",
-      "integrity": "sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==",
-      "dev": true,
-      "optional": true
-    },
     "nanoid": {
-      "version": "3.1.16",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.16.tgz",
-      "integrity": "sha512-+AK8MN0WHji40lj8AEuwLOvLSbWYApQpre/aFJZD71r43wVRLrOYS4FmJOPQYon1TqB462RzrrxlfA74XRES8w==",
+      "version": "3.1.18",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.18.tgz",
+      "integrity": "sha512-rndlDjbbHbcV3xi+R2fpJ+PbGMdfBxz5v1fATIQFq0DP64FsicQdwnKLy47K4kZHdRpmQXtz24eGsxQqamzYTA==",
       "dev": true
     },
     "nanomatch": {
@@ -11713,15 +11626,15 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.1.7",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.7.tgz",
-      "integrity": "sha512-llCQW1Pz4MOPwbZLmOddGM9eIJ8Bh7SZ2Oj5sxZva77uVaotYDsYTch1WBTNu7fUY0fpWp0fdt7uW40D4sRiiQ==",
+      "version": "8.1.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.10.tgz",
+      "integrity": "sha512-iBXEV5VTTYaRRdxiFYzTtuv2lGMQBExqkZKSzkJe+Fl6rvQrA/49UVGKqB+LG54hpW/TtDBMGds8j33GFNW7pg==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.1",
-        "line-column": "^1.0.2",
-        "nanoid": "^3.1.16",
-        "source-map": "^0.6.1"
+        "nanoid": "^3.1.18",
+        "source-map": "^0.6.1",
+        "vfile-location": "^3.2.0"
       },
       "dependencies": {
         "source-map": {
@@ -13353,9 +13266,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.2.tgz",
-      "integrity": "sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.2.0.tgz",
+      "integrity": "sha512-yYerpkvseM4iKD/BXLYUkQV5aKt4tQPqaGW6EsZjzyu0r7sVZZNPJW4Y8MyKmicp6t42XUPcBVA+H6sB3gqndw==",
       "dev": true
     },
     "pretty-format": {
@@ -14605,21 +14518,12 @@
       }
     },
     "string.prototype.padend": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.padend/-/string.prototype.padend-3.1.0.tgz",
-      "integrity": "sha512-3aIv8Ffdp8EZj8iLwREGpQaUZiPyrWrpzMBHvkiSW/bK/EGve9np07Vwy7IJ5waydpGXzQZu/F8Oze2/IWkBaA==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0-next.1"
-      }
-    },
-    "string.prototype.trimend": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.2.tgz",
-      "integrity": "sha512-8oAG/hi14Z4nOVP0z6mdiVZ/wqjDtWSLygMigTzAb+7aPEDTleeFf+WrF+alzecxIRkckkJVn+dTlwzJXORATw==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.padend/-/string.prototype.padend-3.1.1.tgz",
+      "integrity": "sha512-eCzTASPnoCr5Ht+Vn1YXgm8SB015hHKgEIMu9Nr9bQmLhRBxKRfmzSj/IQsxDFc8JInJDDFA0qXwK+xxI7wDkg==",
       "dev": true,
       "requires": {
+        "call-bind": "^1.0.0",
         "define-properties": "^1.1.3",
         "es-abstract": "^1.18.0-next.1"
       },
@@ -14646,36 +14550,24 @@
         }
       }
     },
+    "string.prototype.trimend": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.3.tgz",
+      "integrity": "sha512-ayH0pB+uf0U28CtjlLvL7NaohvR1amUvVZk+y3DYb0Ey2PUV5zPkkKy9+U1ndVEIXO8hNg18eIv9Jntbii+dKw==",
+      "dev": true,
+      "requires": {
+        "call-bind": "^1.0.0",
+        "define-properties": "^1.1.3"
+      }
+    },
     "string.prototype.trimstart": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.2.tgz",
-      "integrity": "sha512-7F6CdBTl5zyu30BJFdzSTlSlLPwODC23Od+iLoVH8X6+3fvDPPuBVVj9iaB1GOsSTSIgVfsfm27R2FGrAPznWg==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.3.tgz",
+      "integrity": "sha512-oBIBUy5lea5tt0ovtOFiEQaBkoBBkyJhZXzJYrSmDo5IUUqbOPvVezuRs/agBIdZ2p2Eo1FD6bD9USyBLfl3xg==",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.18.0-next.1"
-      },
-      "dependencies": {
-        "es-abstract": {
-          "version": "1.18.0-next.1",
-          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.18.0-next.1.tgz",
-          "integrity": "sha512-I4UGspA0wpZXWENrdA0uHbnhte683t3qT/1VFH9aX2dA5PPSf6QW5HHXf5HImaqPmjXaVeVk4RGWnaylmV7uAA==",
-          "dev": true,
-          "requires": {
-            "es-to-primitive": "^1.2.1",
-            "function-bind": "^1.1.1",
-            "has": "^1.0.3",
-            "has-symbols": "^1.0.1",
-            "is-callable": "^1.2.2",
-            "is-negative-zero": "^2.0.0",
-            "is-regex": "^1.1.1",
-            "object-inspect": "^1.8.0",
-            "object-keys": "^1.1.1",
-            "object.assign": "^4.1.1",
-            "string.prototype.trimend": "^1.0.1",
-            "string.prototype.trimstart": "^1.0.1"
-          }
-        }
+        "call-bind": "^1.0.0",
+        "define-properties": "^1.1.3"
       }
     },
     "string_decoder": {
@@ -15241,9 +15133,9 @@
       }
     },
     "uglify-js": {
-      "version": "3.11.6",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.11.6.tgz",
-      "integrity": "sha512-oASI1FOJ7BBFkSCNDZ446EgkSuHkOZBuqRFrwXIKWCoXw8ZXQETooTQjkAcBS03Acab7ubCKsXnwuV2svy061g==",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.12.0.tgz",
+      "integrity": "sha512-8lBMSkFZuAK7gGF8LswsXmir8eX8d2AAMOnxSDWjKBx/fBR6MypQjs78m6ML9zQVp1/hD4TBdfeMZMC7nW1TAA==",
       "dev": true,
       "optional": true
     },
@@ -15470,6 +15362,12 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "vfile-location": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/vfile-location/-/vfile-location-3.2.0.tgz",
+      "integrity": "sha512-aLEIZKv/oxuCDZ8lkJGhuhztf/BW4M+iHdCwglA/eWc+vtuRFJj8EtgceYFX4LRjOhCAAiNHsKGssC6onJ+jbA==",
+      "dev": true
+    },
     "w3c-hr-time": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
diff --git a/package.json b/package.json
index 3b3b9d50..e5d8c3eb 100644
--- a/package.json
+++ b/package.json
@@ -49,9 +49,9 @@
     "semver": "^7.3.2"
   },
   "devDependencies": {
-    "@babel/cli": "^7.12.1",
-    "@babel/core": "^7.12.3",
-    "@babel/preset-env": "^7.12.1",
+    "@babel/cli": "^7.12.8",
+    "@babel/core": "^7.12.8",
+    "@babel/preset-env": "^7.12.7",
     "@commitlint/cli": "^11.0.0",
     "@commitlint/config-conventional": "^11.0.0",
     "@webpack-contrib/defaults": "^6.3.0",
@@ -61,14 +61,14 @@
     "cssnano": "^4.1.10",
     "del": "^6.0.0",
     "del-cli": "^3.0.1",
-    "eslint": "^7.13.0",
+    "eslint": "^7.14.0",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-import": "^2.22.1",
     "husky": "^4.3.0",
     "jest": "^26.6.3",
     "less": "^3.12.2",
     "less-loader": "^7.1.0",
-    "lint-staged": "^10.5.1",
+    "lint-staged": "^10.5.2",
     "memfs": "^3.2.0",
     "midas": "^2.0.3",
     "npm-run-all": "^4.1.5",
@@ -78,7 +78,7 @@
     "postcss-js": "^3.0.3",
     "postcss-nested": "^5.0.1",
     "postcss-short": "^5.0.0",
-    "prettier": "^2.1.2",
+    "prettier": "^2.2.0",
     "sass": "^1.29.0",
     "sass-loader": "^10.1.0",
     "standard-version": "^9.0.0",
diff --git a/test/config-autoload.test.js b/test/config-autoload.test.js
index 39bfd648..ea98aa68 100644
--- a/test/config-autoload.test.js
+++ b/test/config-autoload.test.js
@@ -26,6 +26,21 @@ describe("autoload config", () => {
     );
   });
 
+  it('should load ".postcssrc.js"', async () => {
+    const loadedConfig = await loadConfig(
+      loaderContext,
+      path.resolve(testDirectory, "rc-js")
+    );
+
+    expect(loadedConfig.config.map).toEqual(false);
+    expect(loadedConfig.config.from).toEqual("./test/rc-js/fixtures/index.css");
+    expect(loadedConfig.config.to).toEqual("./test/rc-js/expect/index.css");
+    expect(Object.keys(loadedConfig.config.plugins).length).toEqual(2);
+    expect(loadedConfig.filepath).toEqual(
+      path.resolve(testDirectory, "rc-js", ".postcssrc.js")
+    );
+  });
+
   it('should load "package.json"', async () => {
     const loadedConfig = await loadConfig(
       loaderContext,
diff --git a/test/fixtures/config-autoload/rc-js/.postcssrc.js b/test/fixtures/config-autoload/rc-js/.postcssrc.js
new file mode 100644
index 00000000..860983d6
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/.postcssrc.js
@@ -0,0 +1,11 @@
+module.exports = {
+  "parser": "sugarss",
+  "syntax": "sugarss",
+  "map": false,
+  "from": "./test/rc-js/fixtures/index.css",
+  "to": "./test/rc-js/expect/index.css",
+  "plugins": [
+    "postcss-import",
+    ["postcss-nested", {}]
+  ]
+};
diff --git a/test/fixtures/config-autoload/rc-js/expect/index.css b/test/fixtures/config-autoload/rc-js/expect/index.css
new file mode 100644
index 00000000..500f931b
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/expect/index.css
@@ -0,0 +1,7 @@
+.import {
+  color: red;
+}
+
+.test {
+  color: blue;
+}
diff --git a/test/fixtures/config-autoload/rc-js/expect/index.sss b/test/fixtures/config-autoload/rc-js/expect/index.sss
new file mode 100644
index 00000000..13f8e942
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/expect/index.sss
@@ -0,0 +1,7 @@
+.import {
+  color: red
+}
+
+.test {
+  color: blue
+}
diff --git a/test/fixtures/config-autoload/rc-js/fixtures/imports/section.css b/test/fixtures/config-autoload/rc-js/fixtures/imports/section.css
new file mode 100644
index 00000000..626b1b56
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/fixtures/imports/section.css
@@ -0,0 +1,3 @@
+.import {
+  color: red;
+}
diff --git a/test/fixtures/config-autoload/rc-js/fixtures/imports/section.sss b/test/fixtures/config-autoload/rc-js/fixtures/imports/section.sss
new file mode 100644
index 00000000..ecc74a7a
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/fixtures/imports/section.sss
@@ -0,0 +1,2 @@
+.import
+  color: red
diff --git a/test/fixtures/config-autoload/rc-js/fixtures/index.css b/test/fixtures/config-autoload/rc-js/fixtures/index.css
new file mode 100644
index 00000000..48162650
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/fixtures/index.css
@@ -0,0 +1,5 @@
+@import "imports/section.css";
+
+.test {
+  color: blue;
+}
diff --git a/test/fixtures/config-autoload/rc-js/fixtures/index.sss b/test/fixtures/config-autoload/rc-js/fixtures/index.sss
new file mode 100644
index 00000000..bedaed31
--- /dev/null
+++ b/test/fixtures/config-autoload/rc-js/fixtures/index.sss
@@ -0,0 +1,4 @@
+@import "imports/section.sss"
+
+.test
+  color: blue