diff --git a/Dockerfile b/Dockerfile
index c828ba7..acd78bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # Multi-stage build for optimal image size and security
 
 # Stage 1: Dependencies
-FROM oven/bun:1.3.5-alpine AS deps
+FROM oven/bun:1.3.9-alpine AS deps
 WORKDIR /app
 
 # Copy package files
@@ -12,7 +12,7 @@ COPY package.json bun.lockb* ./
 RUN bun install --frozen-lockfile --production
 
 # Stage 2: Builder
-FROM oven/bun:1.3.5-alpine AS builder
+FROM oven/bun:1.3.9-alpine AS builder
 WORKDIR /app
 
 # Copy package files
@@ -35,7 +35,7 @@ RUN NODE_ENV=production \
     bun run build
 
 # Stage 3: Runner (Production)
-FROM oven/bun:1.3.5-alpine AS runner
+FROM oven/bun:1.3.9-alpine AS runner
 WORKDIR /app
 
 # Install dumb-init for proper signal handling