diff --git a/packages/promptions-llm/package.json b/packages/promptions-llm/package.json
index 8b649a6..f3bce59 100644
--- a/packages/promptions-llm/package.json
+++ b/packages/promptions-llm/package.json
@@ -30,6 +30,6 @@
         "typescript": ">=5.0.0"
     },
     "dependencies": {
-        "zod": "^3.25.67"
+        "zod": "^4.6.6"
     }
 }
diff --git a/yarn.lock b/yarn.lock
index 1589464..a537c5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3659,7 +3659,7 @@ __metadata:
     "@types/node": "npm:^20.0.0"
     rimraf: "npm:^5.0.0"
     typescript: "npm:^5.0.0"
-    zod: "npm:^3.25.67"
+    zod: "npm:^4.6.6"
   peerDependencies:
     typescript: ">=5.0.0"
   languageName: unknown
@@ -8522,10 +8522,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:^3.25.67":
-  version: 3.25.76
-  resolution: "zod@npm:3.25.76"
-  checksum: 10c0/5718ec35e3c40b600316c5b4c5e4976f7fee68151bc8f8d90ec18a469be9571f072e1bbaace10f1e85cf8892ea12d90821b200e980ab46916a6166a4260a983c
+"zod@npm:^4.6.6":
+  version: 4.6.6
+  resolution: "zod@npm:4.6.6"
+  checksum: 10c0/447a3113bb743c54ab839213ff95e9e8c197cc1206f65270c18aac35aa70c47a5c8cab753be911b574df9a8a9801ea74ed6be776575232cae0084e51dab3e970
   languageName: node
   linkType: hard