diff --git a/package.json b/package.json
index f92b877e18f..7bde236e7fa 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "object.values": "^1.1.5",
     "path-complete-extname": "^1.0.0",
     "pg": "^8.5.0",
-    "postcss": "^8.4.16",
+    "postcss": "^8.4.17",
     "postcss-loader": "^3.0.0",
     "postcss-object-fit-images": "^1.1.2",
     "promise.prototype.finally": "^3.1.3",
diff --git a/yarn.lock b/yarn.lock
index b885fd70381..0ed97a08def 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8886,10 +8886,10 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.27, postcss@^7.0.32:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.2.15, postcss@^8.4.16:
-  version "8.4.16"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.16.tgz#33a1d675fac39941f5f445db0de4db2b6e01d43c"
-  integrity sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==
+postcss@^8.2.15, postcss@^8.4.16, postcss@^8.4.17:
+  version "8.4.17"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.17.tgz#f87863ec7cd353f81f7ab2dec5d67d861bbb1be5"
+  integrity sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"