diff --git a/client/package.json b/client/package.json
index 37f74dc547..c46b258c5a 100644
--- a/client/package.json
+++ b/client/package.json
@@ -86,7 +86,7 @@
     "nanoid": "3.1.30",
     "normalize-url": "4.5.1",
     "path-browserify": "1.0.1",
-    "postcss": "8.4.4",
+    "postcss": "8.4.5",
     "prismjs": "1.25.0",
     "process": "0.11.10",
     "prop-types": "15.7.2",
diff --git a/package-lock.json b/package-lock.json
index 8d8fd23f95..a4bdcc75ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -254,7 +254,7 @@
         "nanoid": "3.1.30",
         "normalize-url": "4.5.1",
         "path-browserify": "1.0.1",
-        "postcss": "8.4.4",
+        "postcss": "8.4.5",
         "prismjs": "1.25.0",
         "process": "0.11.10",
         "prop-types": "15.7.2",
@@ -43261,9 +43261,9 @@
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     "node_modules/postcss": {
-      "version": "8.4.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.4.tgz",
-      "integrity": "sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "dependencies": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
@@ -55217,7 +55217,7 @@
         "babel-loader": "8.2.3",
         "babel-plugin-transform-react-remove-prop-types": "0.4.24",
         "cross-env": "7.0.3",
-        "postcss": "8.4.4",
+        "postcss": "8.4.5",
         "postcss-import": "14.0.2",
         "rimraf": "3.0.2",
         "rollup": "2.61.1",
@@ -57731,7 +57731,7 @@
         "nanoid": "3.1.30",
         "normalize-url": "4.5.1",
         "path-browserify": "1.0.1",
-        "postcss": "8.4.4",
+        "postcss": "8.4.5",
         "prismjs": "1.25.0",
         "process": "0.11.10",
         "prop-types": "15.7.2",
@@ -58092,7 +58092,7 @@
         "babel-loader": "8.2.3",
         "babel-plugin-transform-react-remove-prop-types": "0.4.24",
         "cross-env": "7.0.3",
-        "postcss": "8.4.4",
+        "postcss": "8.4.5",
         "postcss-import": "14.0.2",
         "react": "16.14.0",
         "react-dom": "16.14.0",
@@ -89534,9 +89534,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "8.4.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.4.tgz",
-      "integrity": "sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "requires": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
diff --git a/tools/ui-components/package.json b/tools/ui-components/package.json
index d1402cddc7..5da5c46ad5 100644
--- a/tools/ui-components/package.json
+++ b/tools/ui-components/package.json
@@ -45,7 +45,7 @@
     "babel-loader": "8.2.3",
     "babel-plugin-transform-react-remove-prop-types": "0.4.24",
     "cross-env": "7.0.3",
-    "postcss": "8.4.4",
+    "postcss": "8.4.5",
     "postcss-import": "14.0.2",
     "rimraf": "3.0.2",
     "rollup": "2.61.1",