diff --git a/packages/contracts/interfaces/IDKIMRegistry.sol b/packages/contracts/interfaces/IDKIMRegistry.sol
index 4e31d90c9..af509ed29 100644
--- a/packages/contracts/interfaces/IDKIMRegistry.sol
+++ b/packages/contracts/interfaces/IDKIMRegistry.sol
@@ -4,7 +4,7 @@ pragma solidity ^0.8.0;
 interface IDKIMRegistry {
     function getDKIMPublicKeyHash(
         string memory domainName
-    ) external returns (bytes32);
+    ) external view returns (bytes32);
 
     function setDKIMPublicKeyHash(
         string memory domainName,
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 79cdeb454..767d46880 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,8 @@
 {
   "name": "@zk-email/contracts",
-  "version": "3.0.0",
+  "version": "3.1.1",
   "scripts": {
+    "build": "forge build",
     "publish": "yarn npm publish --access=public"
   },
   "dependencies": {