diff --git a/backend/Dockerfile b/backend/Dockerfile
index 6c2fa0a..7fa483e 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -15,6 +15,6 @@ EXPOSE 3001
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:3001/api/health', r => r.statusCode === 200 ? process.exit(0) : process.exit(1)).on('error', () => process.exit(1))"
+  CMD node -e "require('http').get('http://127.0.0.1:3001/api/health', r => r.statusCode === 200 ? process.exit(0) : process.exit(1)).on('error', () => process.exit(1))"
 
 CMD ["node", "server.js"]
diff --git a/backend/Dockerfile.bun b/backend/Dockerfile.bun
index 2a5595a..e6b32e4 100644
--- a/backend/Dockerfile.bun
+++ b/backend/Dockerfile.bun
@@ -10,6 +10,6 @@ COPY backend/ .
 EXPOSE 3001
 
 HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
-  CMD bun -e "require('http').get('http://localhost:3001/api/health', r => r.statusCode === 200 ? process.exit(0) : process.exit(1)).on('error', () => process.exit(1))"
+  CMD bun -e "require('http').get('http://127.0.0.1:3001/api/health', r => r.statusCode === 200 ? process.exit(0) : process.exit(1)).on('error', () => process.exit(1))"
 
 CMD ["bun", "run", "server.js"]