diff --git a/package.json b/package.json
index c6f93ec..801cb49 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "license": "MIT",
   "devDependencies": {
     "@lodder/grunt-postcss": "^3.1.1",
-    "autoprefixer": "^10.4.4",
+    "autoprefixer": "^10.4.14",
     "cssnano": "^5.1.7",
     "grunt": "^1.4.1",
     "grunt-contrib-clean": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index edd05de..5f07bdb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -83,13 +83,13 @@ async@^3.2.0, async@~3.2.0:
   resolved "https://registry.yarnpkg.com/async/-/async-3.2.0.tgz#b3a2685c5ebb641d3de02d161002c60fc9f85720"
   integrity sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==
 
-autoprefixer@^10.4.4:
-  version "10.4.4"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.4.tgz#3e85a245b32da876a893d3ac2ea19f01e7ea5a1e"
-  integrity sha512-Tm8JxsB286VweiZ5F0anmbyGiNI3v3wGv3mz9W+cxEDYB/6jbnj6GM9H9mK3wIL8ftgl+C07Lcwb8PG5PCCPzA==
+autoprefixer@^10.4.14:
+  version "10.4.14"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.14.tgz#e28d49902f8e759dd25b153264e862df2705f79d"
+  integrity sha512-FQzyfOsTlwVzjHxKEqRIAdJx9niO6VCBCoEwax/VLSoQF29ggECcPuBqUMZ+u8jCZOPSy8b8/8KnuFbp0SaFZQ==
   dependencies:
-    browserslist "^4.20.2"
-    caniuse-lite "^1.0.30001317"
+    browserslist "^4.21.5"
+    caniuse-lite "^1.0.30001464"
     fraction.js "^4.2.0"
     normalize-range "^0.1.2"
     picocolors "^1.0.0"
@@ -120,16 +120,15 @@ braces@^3.0.1:
   dependencies:
     fill-range "^7.0.1"
 
-browserslist@^4.0.0, browserslist@^4.16.6, browserslist@^4.20.2:
-  version "4.20.2"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.20.2.tgz#567b41508757ecd904dab4d1c646c612cd3d4f88"
-  integrity sha512-CQOBCqp/9pDvDbx3xfMi+86pr4KXIf2FDkTTdeuYw8OxS9t898LA1Khq57gtufFILXpfgsSx5woNgsBgvGjpsA==
+browserslist@^4.0.0, browserslist@^4.16.6, browserslist@^4.21.5:
+  version "4.21.5"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.5.tgz#75c5dae60063ee641f977e00edd3cfb2fb7af6a7"
+  integrity sha512-tUkiguQGW7S3IhB7N+c2MV/HZPSCPAAiYBZXLsBhFB/PCy6ZKKsZrmBayHV9fdGV/ARIfJ14NkxKzRDjvp7L6w==
   dependencies:
-    caniuse-lite "^1.0.30001317"
-    electron-to-chromium "^1.4.84"
-    escalade "^3.1.1"
-    node-releases "^2.0.2"
-    picocolors "^1.0.0"
+    caniuse-lite "^1.0.30001449"
+    electron-to-chromium "^1.4.284"
+    node-releases "^2.0.8"
+    update-browserslist-db "^1.0.10"
 
 caniuse-api@^3.0.0:
   version "3.0.0"
@@ -141,10 +140,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001317:
-  version "1.0.30001319"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001319.tgz#eb4da4eb3ecdd409f7ba1907820061d56096e88f"
-  integrity sha512-xjlIAFHucBRSMUo1kb5D4LYgcN1M45qdKP++lhqowDpwJwGkpIRTt5qQqnhxjj1vHcI7nrJxWhCC1ATrCEBTcw==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001449, caniuse-lite@^1.0.30001464:
+  version "1.0.30001464"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001464.tgz#888922718df48ce5e33dcfe1a2af7d42676c5eb7"
+  integrity sha512-oww27MtUmusatpRpCGSOneQk2/l5czXANDSFvsc7VuOQ86s3ANhZetpwXNf1zY/zdfP63Xvjz325DAdAoES13g==
 
 chalk@^4.1.0, chalk@~4.1.0:
   version "4.1.1"
@@ -345,10 +344,10 @@ duplexer@^0.1.1:
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
   integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
 
-electron-to-chromium@^1.4.84:
-  version "1.4.88"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.88.tgz#ebe6a2573b563680c7a7bf3a51b9e465c9c501db"
-  integrity sha512-oA7mzccefkvTNi9u7DXmT0LqvhnOiN2BhSrKerta7HeUC1cLoIwtbf2wL+Ah2ozh5KQd3/1njrGrwDBXx6d14Q==
+electron-to-chromium@^1.4.284:
+  version "1.4.327"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.327.tgz#288b106518cfed0a60f7de8a0480432a9be45477"
+  integrity sha512-DIk2H4g/3ZhjgiABJjVdQvUdMlSABOsjeCm6gmUzIdKxAuFrGiJ8QXMm3i09grZdDBMC/d8MELMrdwYRC0+YHg==
 
 entities@^2.0.0:
   version "2.0.0"
@@ -936,10 +935,10 @@ needle@^2.5.2:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
-node-releases@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.2.tgz#7139fe71e2f4f11b47d4d2986aaf8c48699e0c01"
-  integrity sha512-XxYDdcQ6eKqp/YjI+tb2C5WM2LgjnZrfYg4vgQt49EK268b6gYCHsBLrK2qvJo4FmCtqmKezb0WZFK4fkrZNsg==
+node-releases@^2.0.8:
+  version "2.0.10"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.10.tgz#c311ebae3b6a148c89b1813fd7c4d3c024ef537f"
+  integrity sha512-5GFldHPXVG/YZmFzJvKK2zDSzPKhEp0+ZR5SVaoSag9fsL5YgHbUHDfnG5494ISANDcK4KwPXAx2xqVEydmd7w==
 
 nopt@~3.0.6:
   version "3.0.6"
@@ -1488,6 +1487,14 @@ underscore.string@~3.3.5:
     sprintf-js "^1.0.3"
     util-deprecate "^1.0.2"
 
+update-browserslist-db@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz#0f54b876545726f17d00cd9a2561e6dade943ff3"
+  integrity sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==
+  dependencies:
+    escalade "^3.1.1"
+    picocolors "^1.0.0"
+
 util-deprecate@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"