diff --git a/examples/robust_vision_benchmark/cleverhans_attack_example/Dockerfile b/examples/robust_vision_benchmark/cleverhans_attack_example/Dockerfile
index 0f4df71da..0ac28db52 100644
--- a/examples/robust_vision_benchmark/cleverhans_attack_example/Dockerfile
+++ b/examples/robust_vision_benchmark/cleverhans_attack_example/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.6
+FROM python:3.11.6
 
 # set workdir to the home directory
 WORKDIR /root