diff --git a/ESP32-IDF_Temperture-Node-v2/build/.ninja_lock b/ESP32-IDF_Temperture-Node-v2/build/.ninja_lock
new file mode 100644
index 000000000..e69de29bb
diff --git a/ESP32-IDF_Temperture-Node-v2/main/CMakeLists.txt b/ESP32-IDF_Temperture-Node-v2/main/CMakeLists.txt
index d1acf9e51..d6ae063fd 100644
--- a/ESP32-IDF_Temperture-Node-v2/main/CMakeLists.txt
+++ b/ESP32-IDF_Temperture-Node-v2/main/CMakeLists.txt
@@ -1,3 +1,3 @@
-idf_component_register(SRCS "hello_world_main.c"
+idf_component_register(SRCS "hello_world_main.c" "bme280.c"
                     PRIV_REQUIRES spi_flash
                     INCLUDE_DIRS "")