diff --git a/solidity/contracts/PackageVersioned.sol b/solidity/contracts/PackageVersioned.sol
index f0d43b725..6de403e11 100644
--- a/solidity/contracts/PackageVersioned.sol
+++ b/solidity/contracts/PackageVersioned.sol
@@ -7,5 +7,5 @@ pragma solidity >=0.6.11;
  **/
 abstract contract PackageVersioned {
     // GENERATED CODE - DO NOT EDIT
-    string public constant PACKAGE_VERSION = "5.4.1";
+    string public constant PACKAGE_VERSION = "5.4.2";
 }
diff --git a/typescript/cli/src/version.ts b/typescript/cli/src/version.ts
index ce5c04eb3..d4a8ed991 100644
--- a/typescript/cli/src/version.ts
+++ b/typescript/cli/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.5.0';
+export const VERSION = '5.6.0';
diff --git a/yarn.lock b/yarn.lock
index bae817923..df7a0d9e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7824,8 +7824,8 @@ __metadata:
     "@ethersproject/abi": "npm:*"
     "@ethersproject/providers": "npm:*"
     "@hyperlane-xyz/registry": "npm:4.7.0"
-    "@hyperlane-xyz/sdk": "npm:5.5.0"
-    "@hyperlane-xyz/utils": "npm:5.5.0"
+    "@hyperlane-xyz/sdk": "npm:5.6.0"
+    "@hyperlane-xyz/utils": "npm:5.6.0"
     "@inquirer/prompts": "npm:^3.0.0"
     "@types/mocha": "npm:^10.0.1"
     "@types/node": "npm:^18.14.5"
@@ -7855,13 +7855,13 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@hyperlane-xyz/core@npm:5.4.1, @hyperlane-xyz/core@workspace:solidity":
+"@hyperlane-xyz/core@npm:5.4.2, @hyperlane-xyz/core@workspace:solidity":
   version: 0.0.0-use.local
   resolution: "@hyperlane-xyz/core@workspace:solidity"
   dependencies:
     "@arbitrum/nitro-contracts": "npm:^1.2.1"
     "@eth-optimism/contracts": "npm:^0.6.0"
-    "@hyperlane-xyz/utils": "npm:5.5.0"
+    "@hyperlane-xyz/utils": "npm:5.6.0"
     "@layerzerolabs/lz-evm-oapp-v2": "npm:2.0.2"
     "@layerzerolabs/solidity-examples": "npm:^1.1.0"
     "@nomiclabs/hardhat-ethers": "npm:^2.2.3"
@@ -7912,13 +7912,13 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@hyperlane-xyz/helloworld@npm:5.5.0, @hyperlane-xyz/helloworld@workspace:typescript/helloworld":
+"@hyperlane-xyz/helloworld@npm:5.6.0, @hyperlane-xyz/helloworld@workspace:typescript/helloworld":
   version: 0.0.0-use.local
   resolution: "@hyperlane-xyz/helloworld@workspace:typescript/helloworld"
   dependencies:
-    "@hyperlane-xyz/core": "npm:5.4.1"
+    "@hyperlane-xyz/core": "npm:5.4.2"
     "@hyperlane-xyz/registry": "npm:4.7.0"
-    "@hyperlane-xyz/sdk": "npm:5.5.0"
+    "@hyperlane-xyz/sdk": "npm:5.6.0"
     "@nomiclabs/hardhat-ethers": "npm:^2.2.3"
     "@nomiclabs/hardhat-waffle": "npm:^2.0.6"
     "@openzeppelin/contracts-upgradeable": "npm:^4.9.3"
@@ -7965,10 +7965,10 @@ __metadata:
     "@ethersproject/hardware-wallets": "npm:^5.7.0"
     "@ethersproject/providers": "npm:^5.7.2"
     "@google-cloud/secret-manager": "npm:^5.5.0"
-    "@hyperlane-xyz/helloworld": "npm:5.5.0"
+    "@hyperlane-xyz/helloworld": "npm:5.6.0"
     "@hyperlane-xyz/registry": "npm:4.7.0"
-    "@hyperlane-xyz/sdk": "npm:5.5.0"
-    "@hyperlane-xyz/utils": "npm:5.5.0"
+    "@hyperlane-xyz/sdk": "npm:5.6.0"
+    "@hyperlane-xyz/utils": "npm:5.6.0"
     "@inquirer/prompts": "npm:^5.3.8"
     "@nomiclabs/hardhat-ethers": "npm:^2.2.3"
     "@nomiclabs/hardhat-etherscan": "npm:^3.0.3"
@@ -8034,7 +8034,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@hyperlane-xyz/sdk@npm:5.5.0, @hyperlane-xyz/sdk@workspace:typescript/sdk":
+"@hyperlane-xyz/sdk@npm:5.6.0, @hyperlane-xyz/sdk@workspace:typescript/sdk":
   version: 0.0.0-use.local
   resolution: "@hyperlane-xyz/sdk@workspace:typescript/sdk"
   dependencies:
@@ -8042,8 +8042,8 @@ __metadata:
     "@aws-sdk/client-s3": "npm:^3.74.0"
     "@cosmjs/cosmwasm-stargate": "npm:^0.32.4"
     "@cosmjs/stargate": "npm:^0.32.4"
-    "@hyperlane-xyz/core": "npm:5.4.1"
-    "@hyperlane-xyz/utils": "npm:5.5.0"
+    "@hyperlane-xyz/core": "npm:5.4.2"
+    "@hyperlane-xyz/utils": "npm:5.6.0"
     "@nomiclabs/hardhat-ethers": "npm:^2.2.3"
     "@nomiclabs/hardhat-waffle": "npm:^2.0.6"
     "@safe-global/api-kit": "npm:1.3.0"
@@ -8084,7 +8084,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@hyperlane-xyz/utils@npm:5.5.0, @hyperlane-xyz/utils@workspace:typescript/utils":
+"@hyperlane-xyz/utils@npm:5.6.0, @hyperlane-xyz/utils@workspace:typescript/utils":
   version: 0.0.0-use.local
   resolution: "@hyperlane-xyz/utils@workspace:typescript/utils"
   dependencies:
@@ -8110,8 +8110,8 @@ __metadata:
   dependencies:
     "@headlessui/react": "npm:^2.1.8"
     "@hyperlane-xyz/registry": "npm:4.7.0"
-    "@hyperlane-xyz/sdk": "npm:5.5.0"
-    "@hyperlane-xyz/utils": "npm:5.5.0"
+    "@hyperlane-xyz/sdk": "npm:5.6.0"
+    "@hyperlane-xyz/utils": "npm:5.6.0"
     "@storybook/addon-essentials": "npm:^7.6.14"
     "@storybook/addon-interactions": "npm:^7.6.14"
     "@storybook/addon-links": "npm:^7.6.14"