diff --git a/Dockerfile b/Dockerfile
index 84fb7fd..09026aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM oven/bun:1.3-alpine
+FROM oven/bun:1.4-alpine
 WORKDIR /app
 
 # Install curl for IPv6 source rotation
diff --git a/README.md b/README.md
index 68d1bab..295899a 100644
--- a/README.md
+++ b/README.md
@@ -369,7 +369,7 @@ PORT=4090 CACHE_TTL=600000 bun src/index.ts
 - **Docker**:
 
   ```dockerfile
-  FROM oven/bun:latest
+  FROM oven/bun:1.4-alpine
   WORKDIR /app
   COPY package.json bun.lock .
   RUN bun install
diff --git a/vercel.json b/vercel.json
index 648f3be..bbd2f5a 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,6 +1,6 @@
 {
   "framework": null,
-  "bunVersion": "1.x",
+  "bunVersion": "1.4.0",
   "rewrites": [
     { "source": "/(.*)", "destination": "/api/relay" }
   ]