diff --git a/AGENTS.md b/AGENTS.md
index 41db30b..24919d2 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -84,7 +84,7 @@ open-workflows/
 
 - **Skill pattern**: `src/skills/{name}.ts` exporting skill markdown string
 - **Tool pattern**: `index.ts` exports via `tool()` wrapper, `schema.ts` exports Zod schema
-- **Zod version**: ~4.1.8 (v4 API)
+- **Zod version**: ~4.3.4 (v4 API)
 - **Build**: Bun for bundling + tsc for declarations
 - **Runtime**: Bun shell (`Bun.$`) for subprocess execution
 
diff --git a/package.json b/package.json
index eff9eb5..d2b9af0 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@clack/prompts": "^0.10.0",
     "@opencode-ai/plugin": "^1.0.204",
     "picocolors": "^1.1.1",
-    "zod": "~4.1.8"
+    "zod": "~4.3.4"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",