diff --git a/src/ca-detail/ca-sqlite.hpp b/src/ca-detail/ca-sqlite.hpp
index 200361d..2d22a21 100644
--- a/src/ca-detail/ca-sqlite.hpp
+++ b/src/ca-detail/ca-sqlite.hpp
@@ -22,7 +22,7 @@
 #define NDNCERT_CA_DETAIL_CA_SQLITE_HPP
 
 #include "../ca-module.hpp"
-#include "../certificate-request.hpp"
+#include "../request-state.hpp"
 
 struct sqlite3;
 
@@ -41,22 +41,22 @@
 
 public:
   // certificate request related
-  CertificateRequest
+  RequestState
   getRequest(const std::string& requestId) override;
 
   void
-  addRequest(const CertificateRequest& request) override;
+  addRequest(const RequestState& request) override;
 
   void
-  updateRequest(const CertificateRequest& request) override;
+  updateRequest(const RequestState& request) override;
 
   void
   deleteRequest(const std::string& requestId) override;
 
-  std::list<CertificateRequest>
+  std::list<RequestState>
   listAllRequests() override;
 
-  std::list<CertificateRequest>
+  std::list<RequestState>
   listAllRequests(const Name& caName) override;
 
   // certificate related