diff --git a/packages/api/package.json b/packages/api/package.json
index 2c361cf..2d35a95 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -9,7 +9,7 @@
     "hono-rate-limiter": "^0.4.2",
     "ioredis": "^5.7.0",
     "node-cache": "^5.1.2",
-    "viem": "^2.37.8"
+    "viem": "^2.38.3"
   },
   "scripts": {
     "start": "node dist/index.js",
diff --git a/packages/finalizer/package.json b/packages/finalizer/package.json
index 0f91ffe..3fd9573 100644
--- a/packages/finalizer/package.json
+++ b/packages/finalizer/package.json
@@ -5,7 +5,7 @@
     "@google-cloud/firestore": "^7.11.5",
     "@intmax2-explorer-api/shared": "workspace:*",
     "abitype": "^1.1.1",
-    "viem": "^2.37.8"
+    "viem": "^2.38.3"
   },
   "scripts": {
     "start": "node dist/index.js",
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 15868fa..1002be4 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -10,7 +10,7 @@
     "hono": "^4.9.8",
     "pino": "^9.11.0",
     "pino-pretty": "^13.1.1",
-    "viem": "^2.37.8",
+    "viem": "^2.38.3",
     "zod": "4.1.11"
   },
   "scripts": {
diff --git a/packages/watcher/package.json b/packages/watcher/package.json
index 535c9c1..4482f90 100644
--- a/packages/watcher/package.json
+++ b/packages/watcher/package.json
@@ -5,7 +5,7 @@
     "@google-cloud/firestore": "^7.11.5",
     "@intmax2-explorer-api/shared": "workspace:*",
     "abitype": "^1.1.1",
-    "viem": "^2.37.8"
+    "viem": "^2.38.3"
   },
   "scripts": {
     "start": "node dist/index.js",
diff --git a/yarn.lock b/yarn.lock
index 1f5a249..93c7ab4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -563,7 +563,7 @@ __metadata:
     pino: "npm:^9.11.0"
     pino-pretty: "npm:^13.1.1"
     typescript: "npm:^5.9.2"
-    viem: "npm:^2.37.8"
+    viem: "npm:^2.38.3"
     vitest: "npm:^3.2.4"
     zod: "npm:4.1.11"
   languageName: unknown
@@ -1266,7 +1266,7 @@ __metadata:
     node-cache: "npm:^5.1.2"
     tsx: "npm:^4.20.5"
     typescript: "npm:^5.9.2"
-    viem: "npm:^2.37.8"
+    viem: "npm:^2.38.3"
     vitest: "npm:^3.2.4"
   languageName: unknown
   linkType: soft
@@ -1967,7 +1967,7 @@ __metadata:
     abitype: "npm:^1.1.1"
     tsx: "npm:^4.20.5"
     typescript: "npm:^5.9.2"
-    viem: "npm:^2.37.8"
+    viem: "npm:^2.38.3"
     vitest: "npm:^3.2.4"
   languageName: unknown
   linkType: soft
@@ -3673,9 +3673,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"viem@npm:^2.37.8":
-  version: 2.37.8
-  resolution: "viem@npm:2.37.8"
+"viem@npm:^2.38.3":
+  version: 2.38.3
+  resolution: "viem@npm:2.38.3"
   dependencies:
     "@noble/curves": "npm:1.9.1"
     "@noble/hashes": "npm:1.8.0"
@@ -3690,7 +3690,7 @@ __metadata:
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/01471fba5de0178fa48e2a9b27edeabb8ec7ba056f1a2048352e344f902a17848765ece0fcb57b6ce321b5ef8e09de9072470e6470d1d85cd25195a4c6d89bef
+  checksum: 10c0/ec69d641d26e64e793883021618ca0d5c833d4807c53201ff0441c1e8369cbc12079fc08edfb4e69c8e75ec47ff80058b989916cbc257770dc8c430e320e1428
   languageName: node
   linkType: hard
 
@@ -3829,7 +3829,7 @@ __metadata:
     abitype: "npm:^1.1.1"
     tsx: "npm:^4.20.5"
     typescript: "npm:^5.9.2"
-    viem: "npm:^2.37.8"
+    viem: "npm:^2.38.3"
     vitest: "npm:^3.2.4"
   languageName: unknown
   linkType: soft