diff --git a/dockerfiles/k8s-tools/allinone/Dockerfile b/dockerfiles/k8s-tools/allinone/Dockerfile
index b2f8167..e75726b 100644
--- a/dockerfiles/k8s-tools/allinone/Dockerfile
+++ b/dockerfiles/k8s-tools/allinone/Dockerfile
@@ -1,5 +1,5 @@
 # Stage 1: Build environment
-FROM alpine:3.19 as downloader
+FROM alpine:3.21 as downloader
 
 # Versions (update these as needed)
 ARG KUBECTL_VERSION=1.29.3