diff --git a/example/proxycontroller/Dockerfile b/example/proxycontroller/Dockerfile
index 7b57fb95942..574de39dba1 100644
--- a/example/proxycontroller/Dockerfile
+++ b/example/proxycontroller/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.3
+FROM alpine:3.22.2
 
 COPY proxycontroller-linux-amd64 /usr/local/bin/proxycontroller