diff --git a/Dockerfile b/Dockerfile
index 5fd748f7..ae98a3e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ## build backend
-FROM golang:1.22.3 as server-build
+FROM golang:1.22.3-alpine as server-build
 
 WORKDIR /github.com/traPtitech/Jomon
 COPY go.mod go.sum ./