diff --git a/Dockerfile-dev b/Dockerfile-dev
index 8c975c6..3ab8457 100644
--- a/Dockerfile-dev
+++ b/Dockerfile-dev
@@ -1,4 +1,4 @@
-FROM alpine:3.18.4
+FROM alpine:3.21.0
 # Use ARG so that values can be overriden by user/cloudbuild
 ARG TERRAFORM_VERSION=1.5.7
 ARG GCLOUD_VERSION=455.0.0