diff --git a/smart-wallets/src/WalletFactory.sol b/smart-wallets/src/WalletFactory.sol
index e808ef4..e7d5927 100644
--- a/smart-wallets/src/WalletFactory.sol
+++ b/smart-wallets/src/WalletFactory.sol
@@ -19,6 +19,12 @@ contract WalletFactory is Ownable {
     /// @notice Address of the current SmartWallet implementation
     ISmartWallet public smartWallet;
 
+    /**
+     * @notice Emitted when the SmartWallet implementation is upgraded
+     * @param smartWallet_ New SmartWallet implementation
+     */
+    event Upgraded(ISmartWallet smartWallet_);
+
     /**
      * @notice Construct the WalletFactory
      * @param owner_ Address of the owner of the WalletFactory
@@ -36,6 +42,7 @@ contract WalletFactory is Ownable {
      */
     function upgrade(ISmartWallet smartWallet_) public onlyOwner {
         smartWallet = smartWallet_;
+        emit Upgraded(smartWallet_);
     }
 
 }