diff --git a/package.json b/package.json
index 1b331d8..d8b15ef 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "husky": "^8.0.1",
     "lint-staged": "^13.0.0",
     "node-fetch": "2.6.7",
-    "postcss": "^8.2.7",
+    "postcss": "^8.4.31",
     "prettier": "^2.2.1",
     "serve-static": "^1.14.1",
     "stylus": "0.58.1",
diff --git a/yarn.lock b/yarn.lock
index f6b4c74..39a91b7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9234,10 +9234,10 @@ nano-css@^5.2.1:
     stacktrace-js "^2.0.2"
     stylis "^4.0.6"
 
-nanoid@^3.3.4:
-  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==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -10720,12 +10720,12 @@ postcss@7.0.36, postcss@^7, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, pos
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.0, postcss@^8.2.7, postcss@^8.4.13:
-  version "8.4.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.14.tgz#ee9274d5622b4858c1007a74d76e42e56fd21caf"
-  integrity sha512-E398TUmfAYFPBSdzgeieK2Y1+1cpdxJx8yXbK/m57nRhKSmk1GB2tO4lbLBtlkfPQTDKfe4Xqv1ASWPpayPEig==
+postcss@^8.1.0, postcss@^8.4.13, 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 "^3.3.4"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
     source-map-js "^1.0.2"