diff --git a/package.json b/package.json
index 15cc3f49a9..ca89d2b67f 100644
--- a/package.json
+++ b/package.json
@@ -142,7 +142,7 @@
     "open-on-github": "file:packages/open-on-github",
     "package-generator": "file:packages/package-generator",
     "pathwatcher": "^8.1.2",
-    "postcss": "8.2.13",
+    "postcss": "8.4.31",
     "postcss-selector-parser": "6.0.4",
     "property-accessors": "^1.1.3",
     "pulsar-updater": "file:packages/pulsar-updater",
diff --git a/yarn.lock b/yarn.lock
index 845064f393..2b6138dd45 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1895,7 +1895,6 @@ abbrev@1:
   version "1.9.1"
   dependencies:
     etch "^0.14.1"
-    semver "^7.3.8"
 
 acorn-jsx@^5.3.2:
   version "5.3.2"
@@ -3134,11 +3133,6 @@ color@3.1.3:
     color-convert "^1.9.1"
     color-string "^1.5.4"
 
-colorette@^1.2.2:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.4.0.tgz#5190fbb87276259a86ad700bff2c6d6faa3fca40"
-  integrity sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g==
-
 colors@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
@@ -7025,10 +7019,10 @@ nan@2.17.0, nan@^2.10.0, nan@^2.12.1, nan@^2.13.2, nan@^2.14.0, nan@^2.14.1, nan
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.17.0.tgz#c0150a2368a182f033e9aa5195ec76ea41a199cb"
   integrity sha512-2ZTgtl0nJsO0KQCjEpxcIr5D+Yv90plTitZt9JBfQvVJDS5seMl3FOvsh3+9CoYWXf/1l5OaZzzF6nDm4cagaQ==
 
-nanoid@^3.1.22:
-  version "3.3.4"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
-  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+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==
 
 napi-build-utils@^1.0.1:
   version "1.0.2"
@@ -7694,14 +7688,14 @@ postcss-selector-parser@6.0.4:
     uniq "^1.0.1"
     util-deprecate "^1.0.2"
 
-postcss@8.2.13:
-  version "8.2.13"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.13.tgz#dbe043e26e3c068e45113b1ed6375d2d37e2129f"
-  integrity sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==
+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:
-    colorette "^1.2.2"
-    nanoid "^3.1.22"
-    source-map "^0.6.1"
+    nanoid "^3.3.6"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
 
 prebuild-install@5.3.0:
   version "5.3.0"
@@ -8719,6 +8713,11 @@ sort-array@^4.1.5:
     array-back "^5.0.0"
     typical "^6.0.1"
 
+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-support@^0.5.19:
   version "0.5.21"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"