diff --git a/package.json b/package.json
index d94b0c6e47..e3d5004e5a 100644
--- a/package.json
+++ b/package.json
@@ -171,6 +171,7 @@
     "mock-knex": "0.4.10",
     "nock": "13.1.0",
     "papaparse": "5.3.1",
+    "postcss": "8.3.0",
     "proxyquire": "2.1.3",
     "rewire": "5.0.0",
     "should": "13.2.3",
diff --git a/yarn.lock b/yarn.lock
index f5c9faae09..ba49c9f813 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7937,7 +7937,7 @@ postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
-postcss@^8.0.2:
+postcss@8.3.0, postcss@^8.0.2:
   version "8.3.0"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.0.tgz#b1a713f6172ca427e3f05ef1303de8b65683325f"
   integrity sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==