diff --git a/tests/unit-tests/ca-memory.t.cpp b/tests/unit-tests/ca-memory.t.cpp
index 01812af..452937e 100644
--- a/tests/unit-tests/ca-memory.t.cpp
+++ b/tests/unit-tests/ca-memory.t.cpp
@@ -82,7 +82,7 @@
   auto cert1 = key1.getDefaultCertificate();
 
   // add operation
-  CertificateRequest request1(Name("/ndn/site1"), "123", REQUEST_TYPE_NEW, Status::BEFORE_CHALLENGE, cert1);
+  CertificateRequest request1(Name("/ndn/site1"), "123", RequestType::NEW, Status::BEFORE_CHALLENGE, cert1);
   BOOST_CHECK_NO_THROW(storage.addRequest(request1));
 
   // get operation
@@ -95,7 +95,7 @@
   json.put("code", "1234");
 
   // update operation
-  CertificateRequest request2(Name("/ndn/site1"), "123", REQUEST_TYPE_NEW, Status::CHALLENGE, CHALLENGE_STATUS_SUCCESS,
+  CertificateRequest request2(Name("/ndn/site1"), "123", RequestType::NEW, Status::CHALLENGE, CHALLENGE_STATUS_SUCCESS,
                               "Email", time::toIsoString(time::system_clock::now()), 3600, 3, json, cert1);
   storage.updateRequest(request2);
   result = storage.getRequest("123");
@@ -106,7 +106,7 @@
   auto identity2 = addIdentity(Name("/ndn/site2"));
   auto key2 = identity2.getDefaultKey();
   auto cert2 = key2.getDefaultCertificate();
-  CertificateRequest request3(Name("/ndn/site2"), "456", REQUEST_TYPE_NEW, Status::BEFORE_CHALLENGE, cert2);
+  CertificateRequest request3(Name("/ndn/site2"), "456", RequestType::NEW, Status::BEFORE_CHALLENGE, cert2);
   storage.addRequest(request3);
 
   // list operation