diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 1bfea084..0b17c716 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -131,6 +131,22 @@ Migration: see webpack/webpack#5225
 
 ```
 
+## Testing Your Pull Request
+
+You may have the need to test your changes in a real-world project or dependent
+module. Thankfully, Github provides a means to do this. Add a dependency to the
+`package.json` for such a project as follows:
+
+```json
+{
+  "devDependencies": {
+    "css-loader": "webpack-contrib/css-loader#{id}/head"
+  }
+}
+```
+
+Where `{id}` is the # ID of your Pull Request.
+
 ## Thanks
 
 For your interest, time, understanding, and for following this simple guide.
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index d91a2dbf..6aa59122 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -36,7 +36,7 @@ jobs:
     pool:
       vmImage: ubuntu-16.04
     strategy:
-      maxParallel: 5
+      maxParallel: 4
       matrix:
         node-12:
           node_version: ^12.0.0
@@ -47,9 +47,6 @@ jobs:
         node-8:
           node_version: ^8.9.0
           webpack_version: latest
-        node-6:
-          node_version: ^6.9.0
-          webpack_version: latest
         node-8-canary:
           node_version: ^8.9.0
           webpack_version: next
@@ -91,7 +88,7 @@ jobs:
     pool:
       vmImage: macOS-10.14
     strategy:
-      maxParallel: 5
+      maxParallel: 4
       matrix:
         node-12:
           node_version: ^12.0.0
@@ -102,9 +99,6 @@ jobs:
         node-8:
           node_version: ^8.9.0
           webpack_version: latest
-        node-6:
-          node_version: ^6.9.0
-          webpack_version: latest
         node-8-canary:
           node_version: ^8.9.0
           webpack_version: next
@@ -146,7 +140,7 @@ jobs:
     pool:
       vmImage: windows-2019
     strategy:
-      maxParallel: 5
+      maxParallel: 4
       matrix:
         node-12:
           node_version: ^12.0.0
@@ -157,9 +151,6 @@ jobs:
         node-8:
           node_version: ^8.9.0
           webpack_version: latest
-        node-6:
-          node_version: ^6.9.0
-          webpack_version: latest
         node-8-canary:
           node_version: ^8.9.0
           webpack_version: next
diff --git a/babel.config.js b/babel.config.js
index a76d9af9..c428f395 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -10,7 +10,7 @@ module.exports = (api) => {
         '@babel/preset-env',
         {
           targets: {
-            node: '6.9.0',
+            node: '8.9.0',
           },
         },
       ],
diff --git a/package-lock.json b/package-lock.json
index d67833b6..f312499b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1346,9 +1346,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "12.0.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.0.3.tgz",
-      "integrity": "sha512-zkOxCS/fA+3SsdA+9Yun0iANxzhQRiNwTvJSr6N95JhuJ/x27z9G2URx1Jpt3zYFfCGUXZGL5UDxt5eyLE7wgw==",
+      "version": "12.0.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.0.4.tgz",
+      "integrity": "sha512-j8YL2C0fXq7IONwl/Ud5Kt0PeXw22zGERt+HSSnwbKOJVsAGkEz3sFCYwaF9IOuoG1HOtE0vKCj6sXF7Q0+Vaw==",
       "dev": true
     },
     "@types/normalize-package-data": {
@@ -1546,18 +1546,26 @@
       }
     },
     "@webpack-contrib/defaults": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/@webpack-contrib/defaults/-/defaults-4.1.1.tgz",
-      "integrity": "sha512-6qDD38Kuk2xLBLrRxiY4W6Jrao2lKNMPh7Y71l6763HXZmBG6mg+lqugHayQEIGcVwjVcq51IPKKyIObFdEb4g==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@webpack-contrib/defaults/-/defaults-5.0.0.tgz",
+      "integrity": "sha512-33gQqfMoSSrqElk1179OizwsWlG/EyqiQQNuRGby1JH034jF4yX82Z+A/8RFuDeVFtwfPS8S44zwvfbWCzLGQA==",
       "dev": true,
       "requires": {
         "chalk": "^2.3.0",
         "git-username": "^1.0.0",
         "loader-utils": "^1.2.3",
         "mrm-core": "^3.1.1",
-        "path-exists": "^3.0.0",
+        "path-exists": "^4.0.0",
         "schema-utils": "^1.0.0",
         "user-meta": "^1.0.0"
+      },
+      "dependencies": {
+        "path-exists": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
+          "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
+          "dev": true
+        }
       }
     },
     "@webpack-contrib/eslint-config-webpack": {
@@ -1655,15 +1663,6 @@
       "integrity": "sha1-DELU+xcWDVqa8eSEus4cZpIsGyE=",
       "dev": true
     },
-    "ansi-align": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
-      "integrity": "sha1-w2rsy6VjuJzrVW82kPCx2eNUf38=",
-      "dev": true,
-      "requires": {
-        "string-width": "^2.0.0"
-      }
-    },
     "ansi-escapes": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
@@ -1923,17 +1922,26 @@
       "dev": true
     },
     "autoprefixer": {
-      "version": "9.5.1",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.5.1.tgz",
-      "integrity": "sha512-KJSzkStUl3wP0D5sdMlP82Q52JLy5+atf2MHAre48+ckWkXgixmfHyWmA77wFDy6jTHU6mIgXv6hAQ2mf1PjJQ==",
+      "version": "9.6.0",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.6.0.tgz",
+      "integrity": "sha512-kuip9YilBqhirhHEGHaBTZKXL//xxGnzvsD0FtBQa6z+A69qZD6s/BAX9VzDF1i9VKDquTJDQaPLSEhOnL6FvQ==",
       "dev": true,
       "requires": {
-        "browserslist": "^4.5.4",
-        "caniuse-lite": "^1.0.30000957",
+        "browserslist": "^4.6.1",
+        "caniuse-lite": "^1.0.30000971",
+        "chalk": "^2.4.2",
         "normalize-range": "^0.1.2",
         "num2fraction": "^1.2.2",
-        "postcss": "^7.0.14",
+        "postcss": "^7.0.16",
         "postcss-value-parser": "^3.3.1"
+      },
+      "dependencies": {
+        "postcss-value-parser": {
+          "version": "3.3.1",
+          "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
+          "integrity": "sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==",
+          "dev": true
+        }
       }
     },
     "aws-sign2": {
@@ -2227,29 +2235,6 @@
       "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
       "dev": true
     },
-    "boxen": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
-      "integrity": "sha512-TNPjfTr432qx7yOjQyaXm3dSR0MH9vXp7eT1BFSl/C51g+EFnOR9hTg1IreahGBmDNCehscshe45f+C1TBZbLw==",
-      "dev": true,
-      "requires": {
-        "ansi-align": "^2.0.0",
-        "camelcase": "^4.0.0",
-        "chalk": "^2.0.1",
-        "cli-boxes": "^1.0.0",
-        "string-width": "^2.0.0",
-        "term-size": "^1.2.0",
-        "widest-line": "^2.0.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-          "dev": true
-        }
-      }
-    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -2551,9 +2536,9 @@
       }
     },
     "caniuse-lite": {
-      "version": "1.0.30000971",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000971.tgz",
-      "integrity": "sha512-TQFYFhRS0O5rdsmSbF1Wn+16latXYsQJat66f7S7lizXW1PVpWJeZw9wqqVLIjuxDRz7s7xRUj13QCfd8hKn6g==",
+      "version": "1.0.30000973",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000973.tgz",
+      "integrity": "sha512-/F3t/Yo8LEdRSEPCmI15fLu5vepVh9UCg/9inJXF5AAfW7xRRJkbaM2ut52iRMQMnGCLQouLbFdbOA+VEFOIsg==",
       "dev": true
     },
     "caporal": {
@@ -2584,12 +2569,6 @@
         "rsvp": "^4.8.4"
       }
     },
-    "capture-stack-trace": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz",
-      "integrity": "sha512-mYQLZnx5Qt1JgB1WEiMCf2647plpGeQ2NMR/5L0HNZzGQo4fuSPnK+wjfPnKZV0aiJDgzmWqqkV/g7JD+DW0qw==",
-      "dev": true
-    },
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -2696,12 +2675,6 @@
         }
       }
     },
-    "cli-boxes": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-1.0.0.tgz",
-      "integrity": "sha1-T6kXw+WclKAEzWH47lCdplFocUM=",
-      "dev": true
-    },
     "cli-cursor": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
@@ -2935,31 +2908,6 @@
         "typedarray": "^0.0.6"
       }
     },
-    "configstore": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/configstore/-/configstore-3.1.2.tgz",
-      "integrity": "sha512-vtv5HtGjcYUgFrXc6Kx747B83MRRVS5R1VTEQoXvuP+kMI+if6uywV0nDGoiydJRy4yk7h9od5Og0kxx4zUXmw==",
-      "dev": true,
-      "requires": {
-        "dot-prop": "^4.1.0",
-        "graceful-fs": "^4.1.2",
-        "make-dir": "^1.0.0",
-        "unique-string": "^1.0.0",
-        "write-file-atomic": "^2.0.0",
-        "xdg-basedir": "^3.0.0"
-      },
-      "dependencies": {
-        "dot-prop": {
-          "version": "4.2.0",
-          "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
-          "integrity": "sha512-tUMXrxlExSW6U2EXiiKGSBVdYgtV8qlHL+C10TsW4PURY/ic+eaysnSkwB4kA/mBlCyy/IKDJ+Lc3wbWeaXtuQ==",
-          "dev": true,
-          "requires": {
-            "is-obj": "^1.0.0"
-          }
-        }
-      }
-    },
     "console-browserify": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
@@ -3551,15 +3499,6 @@
         "elliptic": "^6.0.0"
       }
     },
-    "create-error-class": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
-      "integrity": "sha1-Br56vvlHo/FKMP1hBnHUAbyot7Y=",
-      "dev": true,
-      "requires": {
-        "capture-stack-trace": "^1.0.0"
-      }
-    },
     "create-hash": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
@@ -3629,12 +3568,6 @@
         "randomfill": "^1.0.3"
       }
     },
-    "crypto-random-string": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
-      "integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
-      "dev": true
-    },
     "css-blank-pseudo": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/css-blank-pseudo/-/css-blank-pseudo-0.1.4.tgz",
@@ -3920,238 +3853,13 @@
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-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/del-cli/-/del-cli-1.1.0.tgz",
-      "integrity": "sha1-J1V9aaC335ncuqHjSgnmrGWR0sQ=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/del-cli/-/del-cli-2.0.0.tgz",
+      "integrity": "sha512-IREsO6mjSTxxvWLKMMUi1G0izhqEBx7qeDkOJ6H3+TJl8gQl6x5C5hK4Sm1GJ51KodUMR6O7HuIhnF24Edua3g==",
       "dev": true,
       "requires": {
-        "del": "^3.0.0",
-        "meow": "^3.6.0",
-        "update-notifier": "^2.1.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
-          "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
-          "dev": true
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-        "camelcase-keys": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
-          "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^2.0.0",
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-          }
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-          "resolved": "https://registry.npmjs.org/del/-/del-3.0.0.tgz",
-          "integrity": "sha1-U+z2mf/LyzljdpGrE7rxYIGXZuU=",
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@@ -12232,9 +11718,9 @@
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+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
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@@ -12328,15 +11814,6 @@
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@@ -12383,53 +11860,12 @@
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-    "update-notifier": {
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-      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.5.0.tgz",
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-          "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.2.1.tgz",
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@@ -12462,15 +11898,6 @@
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-      "dev": true,
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@@ -12682,15 +12109,6 @@
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@@ -12804,12 +12222,6 @@
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diff --git a/package.json b/package.json
index dbde7462..fcf82b4b 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "bugs": "https://github.com/webpack-contrib/css-loader/issues",
   "main": "dist/cjs.js",
   "engines": {
-    "node": ">= 6.9.0"
+    "node": ">= 8.9.0"
   },
   "scripts": {
     "start": "npm run build -- -w",
@@ -51,7 +51,7 @@
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-    "postcss-value-parser": "^3.3.0",
+    "postcss-value-parser": "^4.0.0",
     "schema-utils": "^1.0.0"
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@@ -61,13 +61,13 @@
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     "@commitlint/config-conventional": "^7.1.2",
-    "@webpack-contrib/defaults": "^4.0.1",
+    "@webpack-contrib/defaults": "^5.0.0",
     "@webpack-contrib/eslint-config-webpack": "^3.0.0",
     "babel-jest": "^24.1.0",
     "commitlint-azure-pipelines-cli": "^1.0.1",
     "cross-env": "^5.2.0",
     "del": "^4.0.0",
-    "del-cli": "^1.1.0",
+    "del-cli": "^2.0.0",
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@@ -82,11 +82,11 @@
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     "postcss-preset-env": "^6.4.0",
     "prettier": "^1.15.2",
-    "sass": "^1.15.1",
+    "sass": "^1.20.3",
     "sass-loader": "^7.1.0",
     "standard-version": "^6.0.1",
     "strip-ansi": "^5.0.0",
-    "webpack": "^4.26.1"
+    "webpack": "^4.32.2"
   },
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     "webpack",