diff --git a/packages/shared/package.json b/packages/shared/package.json
index 5add0c3..0d3c0f4 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -9,7 +9,7 @@
     "pino": "^10.1.0",
     "pino-pretty": "^13.1.3",
     "viem": "^2.41.2",
-    "zod": "4.1.13"
+    "zod": "4.3.6"
   },
   "scripts": {
     "build": "rm -rf dist tsconfig.tsbuildinfo && tsc",
diff --git a/yarn.lock b/yarn.lock
index 6f48c6e..731daec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -348,7 +348,7 @@ __metadata:
     typescript: "npm:^5.9.3"
     viem: "npm:^2.41.2"
     vitest: "npm:^3.2.4"
-    zod: "npm:4.1.13"
+    zod: "npm:4.3.6"
   languageName: unknown
   linkType: soft
 
@@ -2540,9 +2540,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:4.1.13":
-  version: 4.1.13
-  resolution: "zod@npm:4.1.13"
-  checksum: 10c0/d7e74e82dba81a91ffc3239cd85bc034abe193a28f7087a94ab258a3e48e9a7ca4141920cac979a0d781495b48fc547777394149f26be04c3dc642f58bbc3941
+"zod@npm:4.3.6":
+  version: 4.3.6
+  resolution: "zod@npm:4.3.6"
+  checksum: 10c0/860d25a81ab41d33aa25f8d0d07b091a04acb426e605f396227a796e9e800c44723ed96d0f53a512b57be3d1520f45bf69c0cb3b378a232a00787a2609625307
   languageName: node
   linkType: hard