diff --git a/toolings/tfjs-debugger/package.json b/toolings/tfjs-debugger/package.json
index 934138a..1fffbf8 100644
--- a/toolings/tfjs-debugger/package.json
+++ b/toolings/tfjs-debugger/package.json
@@ -48,7 +48,7 @@
     "karma-coverage": "~2.0.3",
     "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "~1.7.0",
-    "postcss": "^8.3.11",
+    "postcss": "^8.4.31",
     "stylelint": "^14.0.1",
     "stylelint-order": "^5.0.0",
     "stylelint-config-standard-scss": "^2.0.1",
diff --git a/toolings/tfjs-debugger/yarn.lock b/toolings/tfjs-debugger/yarn.lock
index f831b50..2065869 100644
--- a/toolings/tfjs-debugger/yarn.lock
+++ b/toolings/tfjs-debugger/yarn.lock
@@ -6019,10 +6019,10 @@ mute-stream@0.0.8:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nanoid@^3.1.30:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.2.0.tgz#62667522da6673971cca916a6d3eff3f415ff80c"
-  integrity sha512-fmsZYa9lpn69Ad5eDn7FMcnnSR+8R34W9qJEijxYhTbfOWzr22n1QxCMzXLK+ODyW2973V3Fux959iQoUxzUIA==
+nanoid@^3.1.30, nanoid@^3.3.6:
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.6.tgz#443380c856d6e9f9824267d960b4236ad583ea4c"
+  integrity sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -7128,7 +7128,7 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@8.3.11, postcss@^8.2.15, postcss@^8.3.11, postcss@^8.3.7:
+postcss@8.3.11:
   version "8.3.11"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.11.tgz#c3beca7ea811cd5e1c4a3ec6d2e7599ef1f8f858"
   integrity sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==
@@ -7145,6 +7145,15 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.13, postcss@^7.0.14, postcss@^7.0.1
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
+postcss@^8.2.15, postcss@^8.3.11, postcss@^8.3.7, postcss@^8.4.31:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
+  dependencies:
+    nanoid "^3.3.6"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 pretty-bytes@^5.3.0:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-5.6.0.tgz#356256f643804773c82f64723fe78c92c62beaeb"
@@ -7955,6 +7964,11 @@ source-map-js@^0.6.2:
   resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-0.6.2.tgz#0bb5de631b41cfbda6cfba8bd05a80efdfd2385e"
   integrity sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==
 
+source-map-js@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.2.tgz#adbc361d9c62df380125e7f161f71c826f1e490c"
+  integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
+
 source-map-loader@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-3.0.0.tgz#f2a04ee2808ad01c774dea6b7d2639839f3b3049"