diff --git a/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/alpine/3.18.8/Dockerfile b/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/alpine/3.18.8/Dockerfile
index 85866ebd..a66532d5 100644
--- a/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/alpine/3.18.8/Dockerfile
+++ b/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/alpine/3.18.8/Dockerfile
@@ -1 +1 @@
-FROM alpine:3.18.8
+FROM alpine:3.20.3