diff --git a/contracts/src/api/models/ZKPublicKey.ts b/contracts/src/api/models/ZKPublicKey.ts
index 4f21579..db47082 100644
--- a/contracts/src/api/models/ZKPublicKey.ts
+++ b/contracts/src/api/models/ZKPublicKey.ts
@@ -2,7 +2,7 @@ import { Field, Poseidon, PublicKey } from "o1js";
 import { ZKLocusAdopter } from "../adopters/Interfaces";
 import ZKPublicKeyToPublicKeyAdopter from "../adopters/ZKPublicKeyToPublicKeyAdopter";
 import { ZKKeyPair } from "./ZKKeyPair";
-import { ZKPrivateKey } from "./ZKPrivateKey";
+import type { ZKPrivateKey } from "./ZKPrivateKey";