diff --git a/plugins/plugin-postcss/package.json b/plugins/plugin-postcss/package.json
index 0fdc79d3f1..871a04bbf4 100644
--- a/plugins/plugin-postcss/package.json
+++ b/plugins/plugin-postcss/package.json
@@ -15,5 +15,8 @@
   "peerDependencies": {
     "postcss": "*",
     "postcss-cli": "*"
+  },
+  "dependencies": {
+    "execa": "^4.1.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 3de36f3e05..6ce0338585 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6796,7 +6796,7 @@ execa@^1.0.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
-execa@^4.0.0, execa@^4.0.3:
+execa@^4.0.0, execa@^4.0.3, execa@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/execa/-/execa-4.1.0.tgz#4e5491ad1572f2f17a77d388c6c857135b22847a"
   integrity sha512-j5W0//W7f8UxAn8hXVnwG8tLwdiUy4FJLcSupCg6maBYZDpyBvTApK7KyuI4bKj8KOh1r2YH+6ucuYtJv1bTZA==