diff --git a/web/core/package.json b/web/core/package.json
index c3559c37..5f5d0467 100644
--- a/web/core/package.json
+++ b/web/core/package.json
@@ -45,7 +45,7 @@
     "minimist": "^1.2.2",
     "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/web/core/yarn.lock b/web/core/yarn.lock
index 83cd36a1..d5f1b2ea 100644
--- a/web/core/yarn.lock
+++ b/web/core/yarn.lock
@@ -4343,10 +4343,10 @@ 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@^7.0.18, postcss@^7.0.2, postcss@^7.0.26, postcss@^7.0.27, postcss@^7.0.30, postcss@^7.0.5, postcss@^7.0.6, postcss@^7.0.7:
-  version "7.0.32"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.32.tgz#4310d6ee347053da3433db2be492883d62cec59d"
-  integrity sha512-03eXong5NLnNCD05xscnGKGDZ98CyzoqPSMjOe6SuoQY7Z2hIj0Ld1g/O/UQRuOle2aRtiIRDg9tDcTGAkLfKw==
+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@^7.0.26, postcss@^7.0.27, postcss@^7.0.30, postcss@^7.0.36, postcss@^7.0.5, postcss@^7.0.6, 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"