diff --git a/package.json b/package.json
index 69c1289..29443a7 100644
--- a/package.json
+++ b/package.json
@@ -120,7 +120,7 @@
     "node-sass": "^4.11.0",
     "null-loader": "^2.0.0",
     "polymer-webpack-loader": "^2.0.0",
-    "postcss": "^7.0.0",
+    "postcss": "^7.0.36",
     "postcss-discard-duplicates": "^4.0.0",
     "postcss-loader": "^3.0.0",
     "postcss-selector-parser": "^6.0.0",
diff --git a/yarn.lock b/yarn.lock
index cef7943..a95e5f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10463,9 +10463,10 @@ postcss@^6.0.9:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.21, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.21"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.21.tgz#06bb07824c19c2021c5d056d5b10c35b989f7e17"
+postcss@^7.0.0, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.21, postcss@^7.0.36, postcss@^7.0.5, postcss@^7.0.6:
+  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"