diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 673f981..6c1a285 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: devcontainer
 description: Dev Container with AI coding agents and MCP sidecars
 type: application
-version: 0.4.2
+version: 0.4.3
 appVersion: "latest"
diff --git a/chart/templates/deployment.yaml b/chart/templates/deployment.yaml
index 352c101..0dc03f6 100644
--- a/chart/templates/deployment.yaml
+++ b/chart/templates/deployment.yaml
@@ -245,6 +245,8 @@ spec:
             - --browser
             - chromium
             - --no-sandbox
+            - --host
+            - 0.0.0.0
             - --port
             - {{ .Values.mcp.sidecars.playwright.port | quote }}
           ports: