diff --git a/src/adapters/axelar/AxelarSenderAdapter.sol b/src/adapters/axelar/AxelarSenderAdapter.sol
index 53206bb..632caa3 100644
--- a/src/adapters/axelar/AxelarSenderAdapter.sol
+++ b/src/adapters/axelar/AxelarSenderAdapter.sol
@@ -12,6 +12,7 @@ import "./interfaces/IAxelarGasService.sol";
 import "./libraries/StringAddressConversion.sol";
 
 contract AxelarSenderAdapter is BaseSenderAdapter {
+    /// @notice event emitted when chain id mapping is updated
     event ChainIDMappingUpdated(uint256[] origIds, string[] axlIds);
 
     string public constant name = "AXELAR";
diff --git a/src/adapters/wormhole/WormholeSenderAdapter.sol b/src/adapters/wormhole/WormholeSenderAdapter.sol
index f1277d1..0fa84bc 100644
--- a/src/adapters/wormhole/WormholeSenderAdapter.sol
+++ b/src/adapters/wormhole/WormholeSenderAdapter.sol
@@ -12,6 +12,9 @@ import "../../libraries/Types.sol";
 
 /// @notice sender adapter for wormhole bridge
 contract WormholeSenderAdapter is BaseSenderAdapter {
+    /// @notice event emitted when chain id mapping is updated
+    event ChainIDMappingUpdated(uint256[] origIds, uint16[] whIds);
+
     string public constant name = "WORMHOLE";
     IWormholeRelayer public immutable relayer;
 
@@ -86,5 +89,6 @@ contract WormholeSenderAdapter is BaseSenderAdapter {
                 ++i;
             }
         }
+        emit ChainIDMappingUpdated(_origIds, _whIds);
     }
 }
diff --git a/test/unit-tests/adapters/wormhole/WormholeSenderAdapter.t.sol b/test/unit-tests/adapters/wormhole/WormholeSenderAdapter.t.sol
index 672c52d..d92008e 100644
--- a/test/unit-tests/adapters/wormhole/WormholeSenderAdapter.t.sol
+++ b/test/unit-tests/adapters/wormhole/WormholeSenderAdapter.t.sol
@@ -14,6 +14,7 @@ contract WormholeSenderAdapterTest is Setup {
     event MessageDispatched(
         bytes32 indexed messageId, address indexed from, uint256 indexed receiverChainId, address to, bytes data
     );
+    event ChainIDMappingUpdated(uint256[] origIds, uint16[] whIds);
 
     address senderAddr;
     WormholeSenderAdapter adapter;
@@ -105,6 +106,10 @@ contract WormholeSenderAdapterTest is Setup {
         origIds[0] = DST_CHAIN_ID;
         uint16[] memory whIds = new uint16[](1);
         whIds[0] = 42;
+
+        vm.expectEmit(true, true, true, true, address(adapter));
+        emit ChainIDMappingUpdated(origIds, whIds);
+
         adapter.setChainIdMap(origIds, whIds);
 
         assertEq(adapter.chainIdMap(DST_CHAIN_ID), 42);