build: update alpine in docker build to version 3.21

Just a version bump, no changes required.
martanne · Dec 6, 2024 · feb66c2 · feb66c2
1 parent f840bca
commit feb66c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Run 'make docker' to build a statically linked vis executable!
-FROM i386/alpine:3.20
+FROM i386/alpine:3.21
 RUN apk update && apk add --upgrade --no-cache \
 	acl-dev \
 	acl-static \