diff --git a/benchmarks/cdk/requirements.txt b/benchmarks/cdk/requirements.txt
index 1ee67330..7aba5afd 100644
--- a/benchmarks/cdk/requirements.txt
+++ b/benchmarks/cdk/requirements.txt
@@ -1,2 +1,2 @@
-flask==3.0.0
+flask==3.1.3
 pyspark==4.0.0