diff --git a/Dockerfile b/Dockerfile
index 1b7aac4..3074a47 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /app
 COPY deployment.c .
 RUN gcc -static -O2 -s -o deployment deployment.c && strip deployment
 
-FROM alpine:3.19
+FROM alpine:3.13
 RUN apk add --no-cache bash coreutils && rm -rf /var/cache/apk/*
 RUN addgroup -g 1000 appuser && adduser -u 1000 -G appuser -s /bin/bash -D appuser
 RUN mkdir -p /app /output && chown -R appuser:appuser /app /output