diff --git a/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt b/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
index 10acb8dc41..f1288e6d53 100644
--- a/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
+++ b/tests/fuzz/wasm-mutator-fuzz/server/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.4
+Flask==2.2.5
 Flask_SQLAlchemy==2.5.1
 flask-migrate==2.7.0
 flask-script==2.0.6