diff --git a/client/package-lock.json b/client/package-lock.json
index 3dfb6195ba..0323cf3584 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -17467,9 +17467,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.4.tgz",
-      "integrity": "sha512-/tZY0PXExXXnNhKv3TOvZAOUYRyuqcCbBm2c17YMDK0PlVII3K7/LKdt3ScHL+hhouddjUWi+1sKDf9xXW+8YA==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.5.tgz",
+      "integrity": "sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==",
       "requires": {
         "colorette": "^1.2.2",
         "nanoid": "^3.1.23",
diff --git a/client/package.json b/client/package.json
index a2e83d8baf..e2b8526204 100644
--- a/client/package.json
+++ b/client/package.json
@@ -87,7 +87,7 @@
     "nanoid": "3.1.23",
     "normalize-url": "4.5.1",
     "path-browserify": "1.0.1",
-    "postcss": "8.3.4",
+    "postcss": "8.3.5",
     "prismjs": "1.23.0",
     "process": "0.11.10",
     "prop-types": "15.7.2",
diff --git a/tools/ui-components/package-lock.json b/tools/ui-components/package-lock.json
index 8f43ec6c2f..0cc9f9d0f2 100644
--- a/tools/ui-components/package-lock.json
+++ b/tools/ui-components/package-lock.json
@@ -10534,9 +10534,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.4.tgz",
-      "integrity": "sha512-/tZY0PXExXXnNhKv3TOvZAOUYRyuqcCbBm2c17YMDK0PlVII3K7/LKdt3ScHL+hhouddjUWi+1sKDf9xXW+8YA==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.5.tgz",
+      "integrity": "sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
diff --git a/tools/ui-components/package.json b/tools/ui-components/package.json
index de6de55892..97bc070d61 100644
--- a/tools/ui-components/package.json
+++ b/tools/ui-components/package.json
@@ -32,7 +32,7 @@
     "@testing-library/react": "11.2.7",
     "autoprefixer": "10.2.6",
     "babel-loader": "8.2.2",
-    "postcss": "8.3.4",
+    "postcss": "8.3.5",
     "postcss-import": "14.0.2",
     "tailwindcss": "2.1.4"
   },