diff --git a/Dockerfile b/Dockerfile
index cc052f0..e4dc1f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-RUN apk add gcc
+RUN apk add gcc musl-dev
 WORKDIR /app
 
 ENTRYPOINT ["/app/test.sh"]