diff --git a/Dockerfile b/Dockerfile
index c1bc5c2..c691c54 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN gcc -static -o deployment deployment.c
 
 # Stage 2: Runtime
 FROM alpine:latest
+RUN apk upgrade --no-cache
 
 RUN addgroup -S appgroup && adduser -S appuser -G appgroup