diff --git a/package-lock.json b/package-lock.json
index fc9a4b00127..6e8a81ddd50 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13518,9 +13518,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.21",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.21.tgz",
-      "integrity": "sha512-uIFtJElxJo29QC753JzhidoAhvp/e/Exezkdhfmt8AymWT6/5B7W1WmponYWkHk2eg6sONyTch0A3nkMPun3SQ==",
+      "version": "7.0.23",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.23.tgz",
+      "integrity": "sha512-hOlMf3ouRIFXD+j2VJecwssTwbvsPGJVMzupptg+85WA+i7MwyrydmQAgY3R+m0Bc0exunhbJmijy8u8+vufuQ==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",
diff --git a/package.json b/package.json
index dffcbec3a6d..407e042274b 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "npm-run-all": "4.1.5",
     "null-loader": "3.0.0",
     "optimize-css-assets-webpack-plugin": "5.0.3",
-    "postcss": "7.0.21",
+    "postcss": "7.0.23",
     "postcss-color-function": "4.1.0",
     "postcss-import": "12.0.1",
     "postcss-loader": "3.0.0",