diff --git a/client/package-lock.json b/client/package-lock.json
index 0373ed563a..a5a51d8043 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -62,7 +62,7 @@
 				"nanoid": "3.1.30",
 				"normalize-url": "4.5.1",
 				"path-browserify": "1.0.1",
-				"postcss": "8.4.1",
+				"postcss": "8.4.3",
 				"prismjs": "1.25.0",
 				"process": "0.11.10",
 				"prop-types": "15.7.2",
@@ -16539,9 +16539,9 @@
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 		},
 		"node_modules/postcss": {
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-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.1.tgz",
-			"integrity": "sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==",
+			"version": "8.4.3",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.3.tgz",
+			"integrity": "sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==",
 			"dependencies": {
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 				"picocolors": "^1.0.0",
@@ -35185,9 +35185,9 @@
 			"integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
 		},
 		"postcss": {
-			"version": "8.4.1",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.1.tgz",
-			"integrity": "sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==",
+			"version": "8.4.3",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.3.tgz",
+			"integrity": "sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==",
 			"requires": {
 				"nanoid": "^3.1.30",
 				"picocolors": "^1.0.0",
diff --git a/client/package.json b/client/package.json
index cf3797da0f..b133eb578c 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": "8.4.1",
+    "postcss": "8.4.3",
     "prismjs": "1.25.0",
     "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 241a11e12d..60d70d1ff0 100644
--- a/tools/ui-components/package-lock.json
+++ b/tools/ui-components/package-lock.json
@@ -35,7 +35,7 @@
 				"babel-loader": "8.2.3",
 				"babel-plugin-transform-react-remove-prop-types": "0.4.24",
 				"cross-env": "7.0.3",
-				"postcss": "8.4.1",
+				"postcss": "8.4.3",
 				"postcss-import": "14.0.2",
 				"rimraf": "3.0.2",
 				"rollup": "2.60.1",
@@ -18531,9 +18531,9 @@
 			}
 		},
 		"node_modules/postcss": {
-			"version": "8.4.1",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.1.tgz",
-			"integrity": "sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==",
+			"version": "8.4.3",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.3.tgz",
+			"integrity": "sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==",
 			"dev": true,
 			"dependencies": {
 				"nanoid": "^3.1.30",
@@ -39126,9 +39126,9 @@
 			"dev": true
 		},
 		"postcss": {
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-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.1.tgz",
-			"integrity": "sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==",
+			"version": "8.4.3",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.3.tgz",
+			"integrity": "sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==",
 			"dev": true,
 			"requires": {
 				"nanoid": "^3.1.30",
diff --git a/tools/ui-components/package.json b/tools/ui-components/package.json
index c4184ba777..e6f4e79f26 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": "8.4.1",
+    "postcss": "8.4.3",
     "postcss-import": "14.0.2",
     "rimraf": "3.0.2",
     "rollup": "2.60.1",