diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31d3a4ed..5546488c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,10 +135,10 @@ install(TARGETS ${TARGET}_STATIC DESTINATION ${CMAKE_INSTALL_PREFIX}/lib64 COMPO
 install(TARGETS ${TARGET}_SHARED DESTINATION ${CMAKE_INSTALL_PREFIX}/lib64 COMPONENT mdbx)
 install(FILES mdbx.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include COMPONENT mdbx-devel)
 
-add_subdirectory(tutorial)
-add_subdirectory(test)
 add_subdirectory(src/tools)
-add_subdirectory(pcrf_test)
+add_subdirectory(test)
+add_subdirectory(test/pcrf)
+add_subdirectory(tutorial)
 
 ##############################################################################
 
diff --git a/pcrf_test/CMakeLists.txt b/test/pcrf/CMakeLists.txt
similarity index 100%
rename from pcrf_test/CMakeLists.txt
rename to test/pcrf/CMakeLists.txt
diff --git a/pcrf_test/README.md b/test/pcrf/README.md
similarity index 100%
rename from pcrf_test/README.md
rename to test/pcrf/README.md
diff --git a/pcrf_test/pcrf_test.c b/test/pcrf/pcrf_test.c
similarity index 100%
rename from pcrf_test/pcrf_test.c
rename to test/pcrf/pcrf_test.c