diff --git a/packages/airnode-node/package.json b/packages/airnode-node/package.json
index ac723b172..032414ebc 100644
--- a/packages/airnode-node/package.json
+++ b/packages/airnode-node/package.json
@@ -29,7 +29,7 @@
     "@api3/airnode-protocol": "^0.14.0",
     "@api3/airnode-utilities": "^0.14.0",
     "@api3/airnode-validator": "^0.14.0",
-    "@api3/chains": "^8.1.1",
+    "@api3/chains": "^10.2.1",
     "@api3/commons": "^0.9.0",
     "@api3/ois": "2.3.2",
     "@api3/promise-utils": "^0.4.0",
diff --git a/packages/airnode-protocol/package.json b/packages/airnode-protocol/package.json
index ff275731e..9986982e8 100644
--- a/packages/airnode-protocol/package.json
+++ b/packages/airnode-protocol/package.json
@@ -29,7 +29,7 @@
     "write-example-env-file": "hardhat run scripts/write-example-env-file.ts"
   },
   "devDependencies": {
-    "@api3/chains": "^8.1.1",
+    "@api3/chains": "^10.2.1",
     "@nomicfoundation/hardhat-verify": "^2.0.6",
     "@nomiclabs/hardhat-ethers": "^2.2.3",
     "@nomiclabs/hardhat-waffle": "^2.0.6",
diff --git a/yarn.lock b/yarn.lock
index 1d4a3c70c..8cf56dc14 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -27,12 +27,12 @@
   dependencies:
     "@openzeppelin/contracts" "4.8.2"
 
-"@api3/chains@^8.1.1":
-  version "8.1.1"
-  resolved "https://registry.yarnpkg.com/@api3/chains/-/chains-8.1.1.tgz#1f292eba31e4395d89c6b067f2b2a86955fca0b6"
-  integrity sha512-2woMgPksMEzH2tU7ZH5tHNHr9qbZDG+bEWcAGcs+A3/GJKNBaTmxVerIyTo4IZA9f6vN91i7fH3UPAq/S8KQDw==
+"@api3/chains@^10.2.1":
+  version "10.2.1"
+  resolved "https://registry.yarnpkg.com/@api3/chains/-/chains-10.2.1.tgz#8b33186c145f6cebb03ef42edae091a5c48a7943"
+  integrity sha512-KN0lCj/l7OakpS+ZyB3jJm6lrPaT8GPwnjF0CfDl/OLmSx+frgfgfsCwYZ8YKtowO6OrzLE2oTxU48YwXToMeQ==
   dependencies:
-    viem "^2.16.5"
+    viem "^2.21.1"
     zod "^3.23.8"
 
 "@api3/commons@^0.9.0":
@@ -2505,6 +2505,11 @@
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.4.0.tgz#45814aa329f30e4fe0ba49426f49dfccdd066426"
   integrity sha512-V1JJ1WTRUqHHrOSh597hURcMqVKVGL/ea3kv0gSnEdsEZ0/+VyPghM1lMNGc00z7CIQorSvbKpuJkxvuHbvdbg==
 
+"@noble/hashes@~1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.5.0.tgz#abadc5ca20332db2b1b2aa3e496e9af1213570b0"
+  integrity sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==
+
 "@noble/secp256k1@1.7.1", "@noble/secp256k1@~1.7.0":
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/@noble/secp256k1/-/secp256k1-1.7.1.tgz#b251c70f824ce3ca7f8dc3df08d58f005cc0507c"
@@ -3231,6 +3236,11 @@
   resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.7.tgz#fe973311a5c6267846aa131bc72e96c5d40d2b30"
   integrity sha512-PPNYBslrLNNUQ/Yad37MHYsNQtK67EhWb6WtSvNLLPo7SdVZgkUjD6Dg+5On7zNwmskf8OX7I7Nx5oN+MIWE0g==
 
+"@scure/base@~1.1.8":
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.9.tgz#e5e142fbbfe251091f9c5f1dd4c834ac04c3dbd1"
+  integrity sha512-8YKhl8GHiNI/pU2VMaofa2Tor7PJRAjwQLBBuilkJ9L5+13yVbC7JO/wS7piioAvPSwR3JKM1IJ/u4xQzbcXKg==
+
 "@scure/bip32@1.1.5":
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/@scure/bip32/-/bip32-1.1.5.tgz#d2ccae16dcc2e75bc1d75f5ef3c66a338d1ba300"
@@ -3274,13 +3284,13 @@
     "@noble/hashes" "~1.3.2"
     "@scure/base" "~1.1.4"
 
-"@scure/bip39@1.3.0":
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/@scure/bip39/-/bip39-1.3.0.tgz#0f258c16823ddd00739461ac31398b4e7d6a18c3"
-  integrity sha512-disdg7gHuTDZtY+ZdkmLpPCk7fxZSu3gBiEGuoC1XYxv9cGx3Z6cpTggCgW6odSOOIXCiDjuGejW+aJKCY/pIQ==
+"@scure/bip39@1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@scure/bip39/-/bip39-1.4.0.tgz#664d4f851564e2e1d4bffa0339f9546ea55960a6"
+  integrity sha512-BEEm6p8IueV/ZTfQLp/0vhw4NPnT9oWf5+28nvmeUICjP99f4vr2d+qc7AVGDDtwRep6ifR43Yed9ERVmiITzw==
   dependencies:
-    "@noble/hashes" "~1.4.0"
-    "@scure/base" "~1.1.6"
+    "@noble/hashes" "~1.5.0"
+    "@scure/base" "~1.1.8"
 
 "@sentry/core@5.30.0":
   version "5.30.0"
@@ -15158,16 +15168,16 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-viem@^2.16.5:
-  version "2.18.0"
-  resolved "https://registry.yarnpkg.com/viem/-/viem-2.18.0.tgz#ea0d037f0db356e6d71f1251243825345d6dc08f"
-  integrity sha512-HA4Dj+PCNWvvZDThWcUPg0sjiS8uwGRaxs3CMBOASL/j0p2pD4nR9vY/y/pAiRr491hGCnrSCVCmb/qqA57wIw==
+viem@^2.21.1:
+  version "2.21.9"
+  resolved "https://registry.yarnpkg.com/viem/-/viem-2.21.9.tgz#5676f81b07286ad88852a239e1eeb18c7f9b40a6"
+  integrity sha512-fWPDX2ABEo/mLiDN+wsmYJDJk0a/ZCafquxInR2+HZv/7UTgHbLgjZs4SotpEeFAYjgVThJ7A9TPmrRjaaYqvw==
   dependencies:
     "@adraffy/ens-normalize" "1.10.0"
     "@noble/curves" "1.4.0"
     "@noble/hashes" "1.4.0"
     "@scure/bip32" "1.4.0"
-    "@scure/bip39" "1.3.0"
+    "@scure/bip39" "1.4.0"
     abitype "1.0.5"
     isows "1.0.4"
     webauthn-p256 "0.0.5"