diff --git a/package.json b/package.json
index 5c9b5d3..a6e59ff 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "jest": "^26.6.3",
     "lint-staged": "^10.5.4",
     "open": "^7.4.2",
-    "postcss": "8.2.6",
+    "postcss": "8.2.13",
     "prettier": "^2.2.1",
     "ts-jest": "^26.5.1",
     "typescript": "^4.1.5"
diff --git a/yarn.lock b/yarn.lock
index c6b3663..f245e89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1533,10 +1533,10 @@ color@^3.1.1:
     color-convert "^1.9.1"
     color-string "^1.5.4"
 
-colorette@^1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
-  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
+colorette@^1.2.1, colorette@^1.2.2:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.4.0.tgz#5190fbb87276259a86ad700bff2c6d6faa3fca40"
+  integrity sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g==
 
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.8"
@@ -4425,11 +4425,16 @@ mute-stream@0.0.8:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nanoid@3.1.20, nanoid@^3.1.20:
+nanoid@3.1.20:
   version "3.1.20"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.20.tgz#badc263c6b1dcf14b71efaa85f6ab4c1d6cfc788"
   integrity sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==
 
+nanoid@^3.1.20, nanoid@^3.1.22:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.1.tgz#6347a18cac88af88f58af0b3594b723d5e99bb35"
+  integrity sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -5235,7 +5240,16 @@ postcss-zindex@^5.0.0-rc.1:
     has "^1.0.3"
     uniqs "^2.0.0"
 
-postcss@8.2.6, postcss@^8.1.0, postcss@^8.1.4, postcss@^8.2.6:
+postcss@8.2.13, postcss@^8.1.0, postcss@^8.1.4, postcss@^8.2.6:
+  version "8.2.13"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.13.tgz#dbe043e26e3c068e45113b1ed6375d2d37e2129f"
+  integrity sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.22"
+    source-map "^0.6.1"
+
+postcss@8.2.6:
   version "8.2.6"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.6.tgz#5d69a974543b45f87e464bc4c3e392a97d6be9fe"
   integrity sha512-xpB8qYxgPuly166AGlpRjUdEYtmOWx2iCwGmrv4vqZL9YPVviDVPZPRXxnXr6xPZOdxQ9lp3ZBFCRgWJ7LE3Sg==