diff --git a/test/TestI2cOcc.cpp b/test/TestI2cOcc.cpp
index 92028fd..c0fe979 100644
--- a/test/TestI2cOcc.cpp
+++ b/test/TestI2cOcc.cpp
@@ -1,6 +1,6 @@
 #include "i2c_occ.hpp"
 
-#include <experimental/filesystem>
+#include <filesystem>
 #include <fstream>
 #include <string>
 
@@ -10,7 +10,7 @@
 namespace i2c_occ
 {
 
-namespace fs = std::experimental::filesystem;
+namespace fs = std::filesystem;
 
 using namespace std::string_literals;
 const auto STR_4_0050 = "4-0050"s;