diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5651a63..d8f29c9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -64,3 +64,4 @@ add_subdirectory(ADC)
 add_subdirectory(RegEdit)
 add_subdirectory(blink)
 add_subdirectory(wwdg)
+add_subdirectory(I2C)