diff --git a/Dockerfile b/Dockerfile
index db34a75..b2c0c8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ COPY assets ./assets
 RUN npx tsc -p tsconfig.build.json
 
 # ---- runtime ----
-FROM node:lts-trixie-slim AS runner
+FROM node:lts-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production
diff --git a/Dockerfile-bun b/Dockerfile-bun
index e1c8d97..f7455c5 100644
--- a/Dockerfile-bun
+++ b/Dockerfile-bun
@@ -11,7 +11,7 @@ COPY assets ./assets
 RUN bunx tsc -p tsconfig.build.json
 
 # ---- runtime ----
-FROM oven/bun:debian AS runner
+FROM oven/bun:alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production