diff --git a/packages/shared/package.json b/packages/shared/package.json
index d246777..9bbbd9c 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -20,7 +20,7 @@
     "pino": "^9.9.0",
     "pino-pretty": "^13.1.1",
     "viem": "^2.36.0",
-    "zod": "4.1.5"
+    "zod": "4.1.8"
   },
   "scripts": {
     "start": "node dist/index.js",
diff --git a/yarn.lock b/yarn.lock
index 69ada7e..9fbcd64 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -944,7 +944,7 @@ __metadata:
     tsx: "npm:^4.20.5"
     typescript: "npm:^5.9.2"
     viem: "npm:^2.36.0"
-    zod: "npm:4.1.5"
+    zod: "npm:4.1.8"
   languageName: unknown
   linkType: soft
 
@@ -5443,9 +5443,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:4.1.5":
-  version: 4.1.5
-  resolution: "zod@npm:4.1.5"
-  checksum: 10c0/7826fb931bc71d4d0fff2fbb72f1a1cf30a6672cf9dbe6933a216bbb60242ef1c3bdfbcd3c5b27e806235a35efaad7a4a9897ff4d3621452f9ea278bce6fd42a
+"zod@npm:4.1.8":
+  version: 4.1.8
+  resolution: "zod@npm:4.1.8"
+  checksum: 10c0/5eae39da09d7bd0564a30dfd2348811e4e2e7dd15955d8f3444f8e196f35e5422b1482eda234b722fafb0738f4a8b718adb042b860936bfdd2cc19cdbdac8a9a
   languageName: node
   linkType: hard