diff --git a/.gitmodules b/.gitmodules
index 69f0a38..47449c7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "x86_tdd_template"]
 	path = x86_tdd_template
 	url = ssh://git@gorge.works:30023/TDD-For-Rust/x86_tdd_template.git
+[submodule "i2c_sensor_driver"]
+	path = i2c_sensor_driver
+	url = ssh://git@gorge.works:30023/TDD-For-Rust/i2c_sensor_driver.git
diff --git a/i2c_sensor_driver b/i2c_sensor_driver
new file mode 160000
index 0000000..4e093f6
--- /dev/null
+++ b/i2c_sensor_driver
@@ -0,0 +1 @@
+Subproject commit 4e093f648ad630a74b45b36457dcd7ba529a3a6a
diff --git a/x86_tdd_template b/x86_tdd_template
index c7e6512..5668381 160000
--- a/x86_tdd_template
+++ b/x86_tdd_template
@@ -1 +1 @@
-Subproject commit c7e6512a0374a16cdcd303a43b87bb6bcc03efc9
+Subproject commit 5668381b6fcb508af8df030db40f918b12e73dad