diff --git a/Dockerfile b/Dockerfile
index 36ae174..932b788 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -88,8 +88,8 @@ ENV SYSTEM_USER=opencode
 # Global build arguments
 # ============================================
 # renovate: datasource=npm depName=opencode-ai
-ARG OPENCODE_VERSION=1.18.11
-ARG OPENCODE_SHA256=c068cf8596484588f308a4ad5e914ec78f5c5da9a7c3383d254d57d4a0bf202c
+ARG OPENCODE_VERSION=1.18.12
+ARG OPENCODE_SHA256=58e83a9f340076d6400f8e7b2d49a3ee596ff8284f1450f16e9da6421ec42442
 
 # ============================================
 # Stage: OpenCode