diff --git a/contracts/BaseStrategy.sol b/contracts/BaseStrategy.sol
index f41f0c77..121a32a9 100644
--- a/contracts/BaseStrategy.sol
+++ b/contracts/BaseStrategy.sol
@@ -203,7 +203,7 @@ abstract contract BaseStrategy {
      * @return A string which holds the current API version of this contract.
      */
     function apiVersion() public pure returns (string memory) {
-        return "0.4.2";
+        return "0.4.3";
     }
 
     /**
diff --git a/contracts/Vault.vy b/contracts/Vault.vy
index db3fd492..0c0eb999 100644
--- a/contracts/Vault.vy
+++ b/contracts/Vault.vy
@@ -35,7 +35,7 @@
     https://github.com/iearn-finance/yearn-vaults/blob/master/SPECIFICATION.md
 """
 
-API_VERSION: constant(String[28]) = "0.4.2"
+API_VERSION: constant(String[28]) = "0.4.3"
 
 from vyper.interfaces import ERC20
 
diff --git a/ethpm-config.yaml b/ethpm-config.yaml
index 21298b4f..e28226c8 100644
--- a/ethpm-config.yaml
+++ b/ethpm-config.yaml
@@ -1,5 +1,5 @@
 package_name: vault
-version: 0.4.2
+version: 0.4.3
 settings:
   deployment_networks:
     - mainnet