diff --git a/packages/website/package.json b/packages/website/package.json
index 9c56bb25..ff78ed4a 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -17,7 +17,7 @@
     "gatsby-background-image": "1.6.0",
     "gatsby-plugin-image": "2.12.1",
     "gatsby-plugin-manifest": "4.12.1",
-    "gatsby-plugin-postcss": "5.12.1",
+    "gatsby-plugin-postcss": "5.13.0",
     "gatsby-plugin-react-helmet": "5.12.1",
     "gatsby-plugin-robots-txt": "1.7.1",
     "gatsby-plugin-sharp": "4.12.1",
diff --git a/packages/website/yarn.lock b/packages/website/yarn.lock
index 67a2b94d..04b27be9 100644
--- a/packages/website/yarn.lock
+++ b/packages/website/yarn.lock
@@ -6339,10 +6339,10 @@ gatsby-plugin-page-creator@^4.12.1:
     globby "^11.1.0"
     lodash "^4.17.21"
 
-gatsby-plugin-postcss@5.12.1:
-  version "5.12.1"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-postcss/-/gatsby-plugin-postcss-5.12.1.tgz#8be5cf7bbfbb27967cad2c5da8dbe1b8c7e576b8"
-  integrity sha512-gNfMl/ZWCZpnCsy+IPzRPzqaPPStbUr/LG8eikGbyoZj1gSjom/a7Hi3z29sWx/vEd4dAHGRPS+n7bjf3iOnNw==
+gatsby-plugin-postcss@5.13.0:
+  version "5.13.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-postcss/-/gatsby-plugin-postcss-5.13.0.tgz#285af085d3238a4b186560fbf0549fbe00bc1e88"
+  integrity sha512-/IJA02Iau6og5ZKemQODmuEQTeq/hMFQtBF52VI29UYVqOkks9fXxMAxnaHCRDU+svmK/jH74/PwnJaPlueu1Q==
   dependencies:
     "@babel/runtime" "^7.15.4"
     postcss-loader "^4.3.0"