diff --git a/package.json b/package.json
index 77d81745..4411af30 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
         "gulp-util": "3.0.8",
         "gulp-watch": "5.0.1",
         "gulp-zip": "5.1.0",
-        "postcss": "8.4.16",
+        "postcss": "8.4.17",
         "postcss-color-mod-function": "3.0.3",
         "postcss-easy-import": "4.0.0"
     },
diff --git a/yarn.lock b/yarn.lock
index ddf2b24c..ef1e26cb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4212,10 +4212,10 @@ postcss-values-parser@^2.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-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@8.4.17:
+  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"