diff --git a/.gitmodules b/.gitmodules
index fcaa2ca..2e5f435 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,12 @@
 [submodule "STM32CubeG0"]
 	path = STM32CubeG0
 	url = https://github.com/mmoskal/STM32CubeG0
+[submodule "cmsis_device_f0"]
+	path = cmsis_device_f0
+	url = https://github.com/STMicroelectronics/cmsis_device_f0
+[submodule "cmsis_core"]
+	path = cmsis_core
+	url = https://github.com/STMicroelectronics/cmsis_core
+[submodule "stm32f0xx_hal_driver"]
+	path = stm32f0xx_hal_driver
+	url = https://github.com/STMicroelectronics/stm32f0xx_hal_driver
diff --git a/cmsis_core b/cmsis_core
new file mode 160000
index 0000000..96d6da4
--- /dev/null
+++ b/cmsis_core
@@ -0,0 +1 @@
+Subproject commit 96d6da4e252b06dcfdc041e7df23e86161c33007
diff --git a/cmsis_device_f0 b/cmsis_device_f0
new file mode 160000
index 0000000..20e23a9
--- /dev/null
+++ b/cmsis_device_f0
@@ -0,0 +1 @@
+Subproject commit 20e23a96fe294368389655878c44813c989b7a9c
diff --git a/stm32f0xx_hal_driver b/stm32f0xx_hal_driver
new file mode 160000
index 0000000..5eeaad1
--- /dev/null
+++ b/stm32f0xx_hal_driver
@@ -0,0 +1 @@
+Subproject commit 5eeaad10dc3816830abd9b3bfd74c6974453e907