diff --git a/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/debian/unstable/Dockerfile b/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/debian/unstable/Dockerfile
index 31b66c6e..3ef57b81 100644
--- a/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/debian/unstable/Dockerfile
+++ b/src/test/resources/org/jvnet/hudson/plugins/platformlabeler/debian/unstable/Dockerfile
@@ -1,2 +1,2 @@
-FROM debian:unstable-20241202-slim
+FROM debian:unstable-20241223-slim
 RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y lsb-release