diff --git a/Dockerfile b/Dockerfile
index 97abc34..8ec7393 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # MCP Browser Sidecar Dockerfile
 # Based on Playwright's official Python image with Chromium pre-installed
 
-FROM mcr.microsoft.com/playwright/python:v1.40.0-jammy
+FROM mcr.microsoft.com/playwright/python:v1.56.0-jammy
 
 WORKDIR /app
 
diff --git a/requirements.txt b/requirements.txt
index f146c90..934fb99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pydantic>=2.5.0
 pydantic-settings>=2.1.0
 
 # Browser Automation
-playwright>=1.40.0
+playwright==1.56.0
 
 # Testing
 pytest>=8.0.0