diff --git a/.env.example b/.env.example
index d9a64c48..9fc324a9 100644
--- a/.env.example
+++ b/.env.example
@@ -9,9 +9,9 @@ GEMINI_API_KEY=
 # External port for the OpenCode web endpoint (default: 4097)
 OPENCODE_PORT=4097
 
-# OpenCode CLI version to install in the container (default: 1.18.3)
+# OpenCode CLI version to install in the container (default: 1.18.11)
 # Check https://www.npmjs.com/package/opencode-ai for available versions
-OPENCODE_VERSION=1.18.3
+OPENCODE_VERSION=1.18.11
 
 # ─── Workspace ─────────────────────────────────────────────────────────────────
 # Primary host directory mounted as /workspace in the container
diff --git a/docker-compose.yml b/docker-compose.yml
index 6ac1eeb5..d3b4189f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
       args:
         # OpenCode CLI version — override via .env (OPENCODE_VERSION=1.x.y)
         # Defaults to Dockerfile ARG if unset
-        OPENCODE_VERSION: ${OPENCODE_VERSION:-1.18.3}
+        OPENCODE_VERSION: ${OPENCODE_VERSION:-1.18.11}
     container_name: opencode
     env_file: .env
     ports:
diff --git a/opencode_app/Dockerfile b/opencode_app/Dockerfile
index f5ac24c2..0a132abf 100644
--- a/opencode_app/Dockerfile
+++ b/opencode_app/Dockerfile
@@ -4,7 +4,7 @@ LABEL org.opencontainers.image.title="opencode-config-template" \
       org.opencontainers.image.description="OpenCode standalone web endpoint - configurable agent/skill runner" \
       org.opencontainers.image.source="https://github.com/darellchua2/opencode-config-template"
 
-ARG OPENCODE_VERSION=1.18.3
+ARG OPENCODE_VERSION=1.18.11
 
 ENV DEBIAN_FRONTEND=noninteractive