diff --git a/src/requester.cpp b/src/requester.cpp
index 632c53d..64ce59c 100644
--- a/src/requester.cpp
+++ b/src/requester.cpp
@@ -20,12 +20,12 @@
 
 #include "requester.hpp"
 #include "identity-challenge/challenge-module.hpp"
-#include "detail/enc-tlv.hpp"
-#include "detail/challenge-encoder.hpp"
-#include "detail/error-encoder.hpp"
-#include "detail/info-encoder.hpp"
-#include "detail/new-renew-revoke-encoder.hpp"
-#include "detail/probe-encoder.hpp"
+#include "protocol-detail/crypto-helper.hpp"
+#include "protocol-detail/challenge-encoder.hpp"
+#include "protocol-detail/error-encoder.hpp"
+#include "protocol-detail/info-encoder.hpp"
+#include "protocol-detail/new-renew-revoke-encoder.hpp"
+#include "protocol-detail/probe-encoder.hpp"
 #include <ndn-cxx/security/signing-helpers.hpp>
 #include <ndn-cxx/security/transform/base64-encode.hpp>
 #include <ndn-cxx/security/transform/buffer-source.hpp>