diff --git a/package-lock.json b/package-lock.json
index 7b095e4..771b859 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -112,9 +112,9 @@
       }
     },
     "emojis-list": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
-      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
+      "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q=="
     },
     "entities": {
       "version": "1.0.0",
@@ -200,21 +200,21 @@
       }
     },
     "json5": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-      "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.3.tgz",
+      "integrity": "sha512-KXPvOm8K9IJKFM0bmdn8QXh7udDh1g/giieX0NLCaMnb4hEiVFqnop2ImTXCc5e0/oHz3LTqmHGtExn5hfMkOA==",
       "requires": {
-        "minimist": "^1.2.0"
+        "minimist": "^1.2.5"
       }
     },
     "loader-utils": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.2.3.tgz",
-      "integrity": "sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.0.tgz",
+      "integrity": "sha512-rP4F0h2RaWSvPEkD7BLDFQnvSf+nK+wr3ESUjNTyAGobqrijmW92zc+SO6d4p4B1wh7+B/Jg1mkQe5NYUEHtHQ==",
       "requires": {
         "big.js": "^5.2.2",
-        "emojis-list": "^2.0.0",
-        "json5": "^1.0.1"
+        "emojis-list": "^3.0.0",
+        "json5": "^2.1.2"
       }
     },
     "lodash": {
@@ -233,9 +233,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     },
     "object-path": {
       "version": "0.11.4",
diff --git a/package.json b/package.json
index a2a3a53..8245345 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,9 @@
   "version": "2.0.0",
   "description": "Webpack loader that adjusts source maps",
   "main": "index.js",
+  "engines": {
+    "node": ">=8.9"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/bholloway/adjust-sourcemap-loader.git"
@@ -23,7 +26,7 @@
   },
   "homepage": "https://github.com/bholloway/adjust-sourcemap-loader",
   "dependencies": {
-    "loader-utils": "1.2.3",
+    "loader-utils": "^2.0.0",
     "object-path": "0.11.4",
     "regex-parser": "2.2.10"
   },