diff --git a/packages/gatsby-plugin-sass/package.json b/packages/gatsby-plugin-sass/package.json
index f6417b579df4f..bacc87e48ee77 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": "^10.4.8",
+    "autoprefixer": "^10.4.13",
     "babel-preset-gatsby-package": "^3.0.0-next.1",
     "cross-env": "^7.0.3",
     "gatsby-plugin-utils": "^4.0.0-next.3"
diff --git a/yarn.lock b/yarn.lock
index bcdb6dcfcccd5..d20afdb9c5dfa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5912,13 +5912,13 @@ autolinker@~0.28.0:
   dependencies:
     gulp-header "^1.7.1"
 
-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==
+autoprefixer@^10.1.0, autoprefixer@^10.4.0, autoprefixer@^10.4.13:
+  version "10.4.13"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.13.tgz#b5136b59930209a321e9fa3dca2e7c4d223e83a8"
+  integrity sha512-49vKpMqcZYsJjwotvt4+h/BCjJVnhGwcLpDt5xkcaOG3eLrG/HUYLagrihYsQ+qrIBgIzX1Rw7a6L8I/ZA1Atg==
   dependencies:
-    browserslist "^4.21.3"
-    caniuse-lite "^1.0.30001373"
+    browserslist "^4.21.4"
+    caniuse-lite "^1.0.30001426"
     fraction.js "^4.2.0"
     normalize-range "^0.1.2"
     picocolors "^1.0.0"
@@ -6576,15 +6576,15 @@ 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@^4.21.3, browserslist@^4.6.6:
-  version "4.21.3"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.3.tgz#5df277694eb3c48bc5c4b05af3e8b7e09c5a6d1a"
-  integrity sha512-898rgRXLAyRkM1GryrrBHGkqA5hlpkV5MhtZwg9QXeiyLUYs2k00Un05aX5l2/yJIOObYKOpS2JNo8nJDE7fWQ==
+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@^4.21.4, browserslist@^4.6.6:
+  version "4.21.4"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.4.tgz#e7496bbc67b9e39dd0f98565feccdcb0d4ff6987"
+  integrity sha512-CBHJJdDmgjl3daYjN5Cp5kbTf1mUhZoS+beLklHIvkOWscs83YAhLlF3Wsh/lciQYAcbBJgTOD44VtG31ZM4Hw==
   dependencies:
-    caniuse-lite "^1.0.30001370"
-    electron-to-chromium "^1.4.202"
+    caniuse-lite "^1.0.30001400"
+    electron-to-chromium "^1.4.251"
     node-releases "^2.0.6"
-    update-browserslist-db "^1.0.5"
+    update-browserslist-db "^1.0.9"
 
 bser@^2.0.0:
   version "2.0.0"
@@ -6923,10 +6923,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001370, 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==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001400, caniuse-lite@^1.0.30001426:
+  version "1.0.30001427"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001427.tgz#d3a749f74be7ae0671fbec3a4eea18576e8ad646"
+  integrity sha512-lfXQ73oB9c8DP5Suxaszm+Ta2sr/4tf8+381GkIm1MLj/YdLf+rEDyDSRCzeltuyTVGm+/s18gdZ0q+Wmp8VsQ==
 
 capital-case@^1.0.4:
   version "1.0.4"
@@ -9582,10 +9582,10 @@ ejs@^3.1.6:
   dependencies:
     jake "^10.6.1"
 
-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==
+electron-to-chromium@^1.4.251:
+  version "1.4.284"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.284.tgz#61046d1e4cab3a25238f6bf7413795270f125592"
+  integrity sha512-M8WEXFuKXMYMVr45fo8mq0wUrrJHheiKZf6BArTKk9ZBYCKJEOU5H8cdWgDT+qCVZf7Na4lVUaZsA+h6uA9+PA==
 
 emittery@^0.8.1:
   version "0.8.1"
@@ -24887,10 +24887,10 @@ 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@^1.0.5:
-  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==
+update-browserslist-db@^1.0.9:
+  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"