diff --git a/packages/opencode/package.json b/packages/opencode/package.json
index 96c8cb1924..b1547fcb3a 100644
--- a/packages/opencode/package.json
+++ b/packages/opencode/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@babel/core": "7.28.4",
-    "@effect/language-service": "0.79.0",
+    "@effect/language-service": "0.81.0",
     "@octokit/webhooks-types": "7.6.1",
     "@opencode-ai/script": "workspace:*",
     "@parcel/watcher-darwin-arm64": "2.5.1",