diff --git a/package.json b/package.json
index 20d5e296ed0..1cfa310c0e7 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "redux-mock-store": "1.5.4",
     "redux-thunk": "2.3.0",
     "stream-browserify": "3.0.0",
-    "styled-components": "^5",
+    "styled-components": "5.3.11",
     "taskcluster-client-web": "44.18.0",
     "taskcluster-lib-scopes": "11.0.0",
     "taskcluster-lib-urls": "13.0.1",
diff --git a/yarn.lock b/yarn.lock
index 4763e177640..9767576ac65 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9929,7 +9929,7 @@ style-loader@3.3.3, style-loader@^3.3.1:
   resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-3.3.3.tgz#bba8daac19930169c0c9c96706749a597ae3acff"
   integrity sha512-53BiGLXAcll9maCYtZi2RCQZKa8NQQai5C4horqKyRmHj9H7QmcUyucrH+4KW/gBQbXM2AsB0axoEcFZPlfPcw==
 
-styled-components@^5:
+styled-components@5.3.11:
   version "5.3.11"
   resolved "https://registry.yarnpkg.com/styled-components/-/styled-components-5.3.11.tgz#9fda7bf1108e39bf3f3e612fcc18170dedcd57a8"
   integrity sha512-uuzIIfnVkagcVHv9nE0VPlHPSCmXIUGKfJ42LNjxCCTDTL5sgnJ8Z7GZBq0EnLYGln77tPpEpExt2+qa+cZqSw==