diff --git a/package.json b/package.json
index b86be4b..6e78a89 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "module-dispatcher": "^2.0.0",
     "normalize.css": "^8.0.1",
     "nyc": "^13.1.0",
-    "postcss": "^7.0.2",
+    "postcss": "^8.2.10",
     "postcss-apply": "^0.11.0",
     "postcss-color-hex-alpha": "^5.0.2",
     "postcss-color-mod-function": "^3.0.3",
diff --git a/yarn.lock b/yarn.lock
index 0821be3..a9773f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1899,9 +1899,9 @@ color@^3.0.0:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
-colorette@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
+colorette@^1.2.0, colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
 
 combined-stream@^1.0.6:
   version "1.0.8"
@@ -4642,6 +4642,10 @@ nan@^2.12.1:
   version "2.14.1"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
 
+nanoid@^3.1.22:
+  version "3.1.23"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -5681,6 +5685,14 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.2.10:
+  version "8.2.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.10.tgz#ca7a042aa8aff494b334d0ff3e9e77079f6f702b"
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.22"
+    source-map "^0.6.1"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"