diff --git a/backend/ci-container/Dockerfile b/backend/ci-container/Dockerfile
index 0c6cbd5..83d2595 100644
--- a/backend/ci-container/Dockerfile
+++ b/backend/ci-container/Dockerfile
@@ -1,3 +1,3 @@
-FROM alpine:3.14
-RUN apk add gcc llvm
+FROM alpine:edge
+RUN apk add --no-cache build-base clang22-extra-tools