diff --git a/package.json b/package.json
index ab2e69b57..7a570a45f 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,7 @@
         "eslint-plugin-prettier": "^3.4.0",
         "husky": "^7.0.1",
         "jest": "^27.0.6",
+        "postcss": "^7.0.17",
         "prettier": "^2.3.2",
         "ts-jest": "^27.0.4",
         "typescript": "^4.3.5"