diff --git a/Dockerfile b/Dockerfile
index 8ea041a..4531e17 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,8 @@
-FROM cimg/go:1.22.6-browsers
+FROM alpine:latest
+
+RUN apk add --no-cache libc6-compat tzdata chromium && \
+    cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime && \
+    apk del tzdata
 
 ADD ./moneyforward /usr/local/bin/moneyforward