diff --git a/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt b/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
index 10acb8dc41..f34d8d3c0e 100644
--- a/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
+++ b/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.1.4
 Flask_SQLAlchemy==2.5.1
 flask-migrate==2.7.0
 flask-script==2.0.6
-flask-cors==3.0.10
+flask-cors==4.0.1
 flask-caching==2.0.0
 werkzeug==1.0.1
 markupsafe==2.0.1