diff --git a/packages/gatsby-plugin-sass/package.json b/packages/gatsby-plugin-sass/package.json
index 203a1c60ecbf6..8696da737e125 100644
--- a/packages/gatsby-plugin-sass/package.json
+++ b/packages/gatsby-plugin-sass/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@babel/cli": "^7.15.4",
     "@babel/core": "^7.15.5",
-    "autoprefixer": "^10.4.7",
+    "autoprefixer": "^10.4.8",
     "babel-preset-gatsby-package": "^2.23.0-next.0",
     "cross-env": "^7.0.3",
     "gatsby-plugin-utils": "^3.17.0-next.0"
diff --git a/yarn.lock b/yarn.lock
index faf7de7aabd62..ce412d3be09e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5760,13 +5760,13 @@ autolinker@~0.28.0:
   dependencies:
     gulp-header "^1.7.1"
 
-autoprefixer@^10.1.0, autoprefixer@^10.4.0, autoprefixer@^10.4.7:
-  version "10.4.7"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.7.tgz#1db8d195f41a52ca5069b7593be167618edbbedf"
-  integrity sha512-ypHju4Y2Oav95SipEcCcI5J7CGPuvz8oat7sUtYj3ClK44bldfvtvcxK6IEK++7rqB7YchDGzweZIBG+SD0ZAA==
+autoprefixer@^10.1.0, autoprefixer@^10.4.0, autoprefixer@^10.4.8:
+  version "10.4.8"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.8.tgz#92c7a0199e1cfb2ad5d9427bd585a3d75895b9e5"
+  integrity sha512-75Jr6Q/XpTqEf6D2ltS5uMewJIx5irCU1oBYJrWjFenq/m12WRRrz6g15L1EIoYvPLXTbEry7rDOwrcYNj77xw==
   dependencies:
-    browserslist "^4.20.3"
-    caniuse-lite "^1.0.30001335"
+    browserslist "^4.21.3"
+    caniuse-lite "^1.0.30001373"
     fraction.js "^4.2.0"
     normalize-range "^0.1.2"
     picocolors "^1.0.0"
@@ -6415,15 +6415,15 @@ browserify-optional@^1.0.0:
     ast-types "^0.7.0"
     browser-resolve "^1.8.1"
 
-browserslist@^4.0.0, browserslist@^4.13.0, browserslist@^4.14.5, browserslist@^4.16.0, browserslist@^4.16.3, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.18.1, browserslist@^4.20.2, browserslist@^4.20.3, browserslist@^4.6.6:
-  version "4.21.0"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.0.tgz#7ab19572361a140ecd1e023e2c1ed95edda0cefe"
-  integrity sha512-UQxE0DIhRB5z/zDz9iA03BOfxaN2+GQdBYH/2WrSIWEUrnpzTPJbhqt+umq6r3acaPRTW1FNTkrcp0PXgtFkvA==
+browserslist@^4.0.0, browserslist@^4.13.0, browserslist@^4.14.5, browserslist@^4.16.0, browserslist@^4.16.3, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.18.1, browserslist@^4.20.2, browserslist@^4.21.3, browserslist@^4.6.6:
+  version "4.21.3"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.3.tgz#5df277694eb3c48bc5c4b05af3e8b7e09c5a6d1a"
+  integrity sha512-898rgRXLAyRkM1GryrrBHGkqA5hlpkV5MhtZwg9QXeiyLUYs2k00Un05aX5l2/yJIOObYKOpS2JNo8nJDE7fWQ==
   dependencies:
-    caniuse-lite "^1.0.30001358"
-    electron-to-chromium "^1.4.164"
-    node-releases "^2.0.5"
-    update-browserslist-db "^1.0.0"
+    caniuse-lite "^1.0.30001370"
+    electron-to-chromium "^1.4.202"
+    node-releases "^2.0.6"
+    update-browserslist-db "^1.0.5"
 
 bser@^2.0.0:
   version "2.0.0"
@@ -6759,10 +6759,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001335, caniuse-lite@^1.0.30001358:
-  version "1.0.30001359"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001359.tgz#a1c1cbe1c2da9e689638813618b4219acbd4925e"
-  integrity sha512-Xln/BAsPzEuiVLgJ2/45IaqD9jShtk3Y33anKb4+yLwQzws3+v6odKfpgES/cDEaZMLzSChpIGdbOYtH9MyuHw==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001370, caniuse-lite@^1.0.30001373:
+  version "1.0.30001387"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001387.tgz#90d2b9bdfcc3ab9a5b9addee00a25ef86c9e2e1e"
+  integrity sha512-fKDH0F1KOJvR+mWSOvhj8lVRr/Q/mc5u5nabU2vi1/sgvlSqEsE8dOq0Hy/BqVbDkCYQPRRHB1WRjW6PGB/7PA==
 
 capital-case@^1.0.4:
   version "1.0.4"
@@ -9442,10 +9442,10 @@ ejs@^3.1.6:
   dependencies:
     jake "^10.6.1"
 
-electron-to-chromium@^1.4.164:
-  version "1.4.170"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.170.tgz#0415fc489402e09bfbe1f0c99bbf4d73f31d48d4"
-  integrity sha512-rZ8PZLhK4ORPjFqLp9aqC4/S1j4qWFsPPz13xmWdrbBkU/LlxMcok+f+6f8YnQ57MiZwKtOaW15biZZsY5Igvw==
+electron-to-chromium@^1.4.202:
+  version "1.4.238"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.238.tgz#eff905365e7a1ff12e53014844cdd4608387c21c"
+  integrity sha512-Vcw+jaLrdCj6Ds4p4FpVYn8UBa+DSRt4FwO5r6+6xifKbeRQ/MsC0vYOjLYkz4JJGDi/wZkjrxuZULn/E69w9Q==
 
 emittery@^0.8.1:
   version "0.8.1"
@@ -17345,10 +17345,10 @@ node-plop@=0.9.0:
     pify "^3.0.0"
     resolve "^1.2.0"
 
-node-releases@^2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.5.tgz#280ed5bc3eba0d96ce44897d8aee478bfb3d9666"
-  integrity sha512-U9h1NLROZTq9uE1SNffn6WuPDg8icmi3ns4rEl/oTfIle4iLjTliCzgTsbaIFMq/Xn078/lfY/BL0GWZ+psK4Q==
+node-releases@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.6.tgz#8a7088c63a55e493845683ebf3c828d8c51c5503"
+  integrity sha512-PiVXnNuFm5+iYkLBNeq5211hvO38y63T0i2KKh2KnUs3RpzJ+JtODFjkD8yjLwnDkTYF1eKXheUwdssR+NRZdg==
 
 noms@0.0.0:
   version "0.0.0"
@@ -24793,10 +24793,10 @@ upath@^1.2.0:
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.2.0.tgz#8f66dbcd55a883acdae4408af8b035a5044c1894"
   integrity sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==
 
-update-browserslist-db@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.4.tgz#dbfc5a789caa26b1db8990796c2c8ebbce304824"
-  integrity sha512-jnmO2BEGUjsMOe/Fg9u0oczOe/ppIDZPebzccl1yDWGLFP16Pa1/RM5wEoKYPG2zstNcDuAStejyxsOuKINdGA==
+update-browserslist-db@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.5.tgz#be06a5eedd62f107b7c19eb5bcefb194411abf38"
+  integrity sha512-dteFFpCyvuDdr9S/ff1ISkKt/9YZxKjI9WlRR99c180GaztJtRa/fn18FdxGVKVsnPY7/a/FDN68mcvUmP4U7Q==
   dependencies:
     escalade "^3.1.1"
     picocolors "^1.0.0"