diff --git a/codeGrader/backend/api/app.py b/codeGrader/backend/api/app.py
index 4233d55..615613d 100644
--- a/codeGrader/backend/api/app.py
+++ b/codeGrader/backend/api/app.py
@@ -594,6 +594,7 @@ def testcase(id_) -> dict:
 
 
 @app.route("/testcases", methods=['GET'])
+@cache.cached(config.cache_timeout, unless=cache_bypass, query_string=True)
 @authentication
 def testcases() -> dict:
     """