diff --git a/src/UniqueResource.h b/src/UniqueResource.hpp
similarity index 100%
rename from src/UniqueResource.h
rename to src/UniqueResource.hpp
diff --git a/src/netconf-client.cpp b/src/netconf-client.cpp
index 9f6908b..2869a1f 100644
--- a/src/netconf-client.cpp
+++ b/src/netconf-client.cpp
@@ -13,8 +13,8 @@
 #include <nc_client.h>
 }
 #include <sstream>
-#include "netconf-client.h"
-#include "UniqueResource.h"
+#include "netconf-client.hpp"
+#include "UniqueResource.hpp"
 
 namespace libnetconf {
 
diff --git a/src/netconf-client.h b/src/netconf-client.hpp
similarity index 100%
rename from src/netconf-client.h
rename to src/netconf-client.hpp
diff --git a/src/netconf_access.cpp b/src/netconf_access.cpp
index 9fb456d..fd8f2a8 100644
--- a/src/netconf_access.cpp
+++ b/src/netconf_access.cpp
@@ -8,7 +8,7 @@
 #include <libyang/Libyang.hpp>
 #include <libyang/Tree_Data.hpp>
 #include "libyang_utils.hpp"
-#include "netconf-client.h"
+#include "netconf-client.hpp"
 #include "netconf_access.hpp"
 #include "utils.hpp"
 #include "yang_schema.hpp"
diff --git a/src/python_netconf.cpp b/src/python_netconf.cpp
index 260395a..49a4339 100644
--- a/src/python_netconf.cpp
+++ b/src/python_netconf.cpp
@@ -9,7 +9,7 @@
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
 #include "netconf_access.hpp"
-#include "netconf-client.h"
+#include "netconf-client.hpp"
 
 using namespace std::literals;
 using namespace pybind11::literals;
diff --git a/src/yang_schema.cpp b/src/yang_schema.cpp
index ddd6f37..dddebf5 100644
--- a/src/yang_schema.cpp
+++ b/src/yang_schema.cpp
@@ -10,7 +10,7 @@
 #include <libyang/Tree_Data.hpp>
 #include <libyang/Tree_Schema.hpp>
 #include <string_view>
-#include "UniqueResource.h"
+#include "UniqueResource.hpp"
 #include "utils.hpp"
 #include "yang_schema.hpp"