diff --git a/package.json b/package.json
index 0e2bd3f..c8d0736 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "write-example-env-file": "hardhat run scripts/write-example-env-file.ts"
   },
   "devDependencies": {
-    "@api3/chains": "^4.14.0",
+    "@api3/chains": "^4.16.0",
     "@api3/commons": "^0.9.0",
     "@api3/promise-utils": "^0.4.0",
     "@changesets/cli": "^2.27.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ace9bf5..4c11d42 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -11,8 +11,8 @@ dependencies:
 
 devDependencies:
   '@api3/chains':
-    specifier: ^4.14.0
-    version: 4.14.0(typescript@5.4.2)
+    specifier: ^4.16.0
+    version: 4.16.0(typescript@5.4.2)
   '@api3/commons':
     specifier: ^0.9.0
     version: 0.9.0(eslint@8.57.0)(typescript@5.4.2)
@@ -118,10 +118,10 @@ packages:
   /@adraffy/ens-normalize@1.10.1:
     resolution: {integrity: sha512-96Z2IP3mYmF1Xg2cDm8f1gWGf/HUVedQ3FMifV4kG/PQ4yEP51xDtRAEfhVNt5f/uzpNkZHwWQuUcu6D6K+Ekw==}
 
-  /@api3/chains@4.14.0(typescript@5.4.2):
-    resolution: {integrity: sha512-zM37/EW6bsYVmu6wea+3+D7FlK60kI6LBYwCRxE85ISUUCT6gkclkFLksGN6vrw4ZTl9Xool2fbhALHiuYA7Uw==}
+  /@api3/chains@4.16.0(typescript@5.4.2):
+    resolution: {integrity: sha512-dk2l4p/wszxrZucqA90GQ6jEuYd8s1eEydEJeYe2C2dW7mUviTz63XetLwMYIyxoa5pMiG1EClKW0qKMWXqIYQ==}
     dependencies:
-      viem: 2.7.20(typescript@5.4.2)(zod@3.22.4)
+      viem: 2.9.6(typescript@5.4.2)(zod@3.22.4)
       zod: 3.22.4
     transitivePeerDependencies:
       - bufferutil
@@ -7302,8 +7302,8 @@ packages:
       spdx-expression-parse: 3.0.1
     dev: true
 
-  /viem@2.7.20(typescript@5.4.2)(zod@3.22.4):
-    resolution: {integrity: sha512-S31a24LWEjqXAjw1A+3/xALo+4eiYKklAjLtlLdPhA0cp+Kv6GcgruNVTktP8pKIGNYvpyQ+HA9PJyUhVXPdDw==}
+  /viem@2.9.6(typescript@5.4.2)(zod@3.22.4):
+    resolution: {integrity: sha512-VVFWjGQei2wnWTvAB/xrIf22m6flCwxeBr8LnwejXMTSSi1EORWEswrw2lfKTmw3TlRPSG4uSiQMa/d0l0DKRg==}
     peerDependencies:
       typescript: '>=5.0.4'
     peerDependenciesMeta: