diff --git a/examples/openfunction_dapr_trigger/caller/Dockerfile b/examples/openfunction_dapr_trigger/caller/Dockerfile
index cce656b..498a7c5 100644
--- a/examples/openfunction_dapr_trigger/caller/Dockerfile
+++ b/examples/openfunction_dapr_trigger/caller/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7-slim
+FROM python:3.12.11-slim
 
 WORKDIR /app