diff --git a/Dockerfile b/Dockerfile
index 39659dd..35bb154 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # ============================================
 # Base stage
 # ============================================
-FROM node:26-trixie-slim@sha256:deae974a69e140f44f434ab29cb519fb5f8fe250fd364b8ca446bd0761acdc6a AS base
+FROM node:26-trixie-slim@sha256:80f12a4030a00d8f78ebc4602bc3ef0f984932f498649b8ed3c0a740a6dff4a8 AS base
 
 # renovate: datasource=npm depName=bun
 ARG BUN_VERSION=1.3.14
@@ -88,8 +88,8 @@ ENV SYSTEM_USER=opencode
 # Global build arguments
 # ============================================
 # renovate: datasource=npm depName=opencode-ai
-ARG OPENCODE_VERSION=1.18.12
-ARG OPENCODE_SHA256=58e83a9f340076d6400f8e7b2d49a3ee596ff8284f1450f16e9da6421ec42442
+ARG OPENCODE_VERSION=1.18.13
+ARG OPENCODE_SHA256=147a7d1900cface2f93363a19f84dab94f192906ef13ab4d6d8931f45d2d4001
 
 # ============================================
 # Stage: OpenCode