diff --git a/package-lock.json b/package-lock.json
index f11420f16..44a03fdd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
                                 "guid-typescript": "1.0.9",
                                 "isomorphic-fetch": "3.0.0",
                                 "localforage": "1.10.0",
-                                "mini-css-extract-plugin": "2.8.1",
+                                "mini-css-extract-plugin": "2.9.0",
                                 "monaco-editor": "0.30.1",
                                 "monaco-editor-webpack-plugin": "6.0.0",
                                 "office-ui-fabric-core": "11.1.0",
@@ -14486,9 +14486,9 @@
                         }
                 },
                 "node_modules/mini-css-extract-plugin": {
-                        "version": "2.8.1",
-                        "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.8.1.tgz",
-                        "integrity": "sha512-/1HDlyFRxWIZPI1ZpgqlZ8jMw/1Dp/dl3P0L1jtZ+zVcHqwPhGwaJwKL00WVgfnBy6PWCde9W65or7IIETImuA==",
+                        "version": "2.9.0",
+                        "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.9.0.tgz",
+                        "integrity": "sha512-Zs1YsZVfemekSZG+44vBsYTLQORkPMwnlv+aehcxK/NLKC+EGhDB39/YePYYqx/sTk6NnYpuqikhSn7+JIevTA==",
                         "dependencies": {
                                 "schema-utils": "^4.0.0",
                                 "tapable": "^2.2.1"
diff --git a/package.json b/package.json
index 8d2430dff..24a876a07 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
                 "jest-sonar-reporter": "2.0.0",
                 "jest-watch-typeahead": "1.0.0",
                 "localforage": "1.10.0",
-                "mini-css-extract-plugin": "2.8.1",
+                "mini-css-extract-plugin": "2.9.0",
                 "monaco-editor": "0.30.1",
                 "monaco-editor-webpack-plugin": "6.0.0",
                 "office-ui-fabric-core": "11.1.0",