diff --git a/public_html/core/package.json b/public_html/core/package.json
index 48efb6a3..f84e7c3f 100644
--- a/public_html/core/package.json
+++ b/public_html/core/package.json
@@ -45,7 +45,7 @@
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",
     "nightwatch": "^1.2.1",
-    "postcss": "^7.0.18",
+    "postcss": "^7.0.36",
     "postcss-calc": "^7.0.1",
     "postcss-custom-properties": "^9.0.2",
     "postcss-header": "^1.0.0",
diff --git a/public_html/core/yarn.lock b/public_html/core/yarn.lock
index 1c922e43..dbbe242f 100644
--- a/public_html/core/yarn.lock
+++ b/public_html/core/yarn.lock
@@ -4192,19 +4192,10 @@ postcss@^6.0.13:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.13, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.7:
-  version "7.0.17"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
-  integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==
-  dependencies:
-    chalk "^2.4.2"
-    source-map "^0.6.1"
-    supports-color "^6.1.0"
-
-postcss@^7.0.18, postcss@^7.0.5:
-  version "7.0.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.18.tgz#4b9cda95ae6c069c67a4d933029eddd4838ac233"
-  integrity sha512-/7g1QXXgegpF+9GJj4iN7ChGF40sYuGYJ8WZu8DZWnmhQ/G36hfdk3q9LBJmoK+lZ+yzZ5KYpOoxq7LF1BxE8g==
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.13, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.36, postcss@^7.0.5, postcss@^7.0.7:
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"