diff --git a/packages/gatsby-plugin-image/package.json b/packages/gatsby-plugin-image/package.json
index 8d288c92bd099..90fcad560b02e 100644
--- a/packages/gatsby-plugin-image/package.json
+++ b/packages/gatsby-plugin-image/package.json
@@ -59,7 +59,7 @@
     "do-sync": "^2.2.0",
     "microbundle": "^0.12.4",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.1.6",
+    "postcss": "^8.2.4",
     "terser": "^5.3.8",
     "typescript": "^3.9.7"
   },
diff --git a/yarn.lock b/yarn.lock
index d27fb3e7a3194..2d3816e169144 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19757,7 +19757,7 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.26, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.6, postcss@^8.2.2:
+postcss@^8.1.6, postcss@^8.2.2, postcss@^8.2.4:
   version "8.2.4"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.4.tgz#20a98a39cf303d15129c2865a9ec37eda0031d04"
   integrity sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==