diff --git a/src/pymatlib/core/cpp/include/interpolate_binary_search_cpp.h b/src/pymatlib/core/cpp/include/pymatlib_interpolators/interpolate_binary_search_cpp.h
similarity index 100%
rename from src/pymatlib/core/cpp/include/interpolate_binary_search_cpp.h
rename to src/pymatlib/core/cpp/include/pymatlib_interpolators/interpolate_binary_search_cpp.h
diff --git a/src/pymatlib/core/cpp/include/interpolate_double_lookup_cpp.h b/src/pymatlib/core/cpp/include/pymatlib_interpolators/interpolate_double_lookup_cpp.h
similarity index 100%
rename from src/pymatlib/core/cpp/include/interpolate_double_lookup_cpp.h
rename to src/pymatlib/core/cpp/include/pymatlib_interpolators/interpolate_double_lookup_cpp.h