diff --git a/app/drivers/sensor/pmw33xx/CMakeLists.txt b/app/drivers/sensor/pmw33xx/CMakeLists.txt
index a4c89fb2..011b4cac 100644
--- a/app/drivers/sensor/pmw33xx/CMakeLists.txt
+++ b/app/drivers/sensor/pmw33xx/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 The ZMK Contributors
+# Copyright (c) 2022 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
 zephyr_include_directories(.)
diff --git a/app/drivers/sensor/pmw33xx/Kconfig b/app/drivers/sensor/pmw33xx/Kconfig
index 845a0879..b6a926f0 100644
--- a/app/drivers/sensor/pmw33xx/Kconfig
+++ b/app/drivers/sensor/pmw33xx/Kconfig
@@ -1,3 +1,5 @@
+# Copyright (c) 2022 The ZMK Contributors
+# SPDX-License-Identifier: MIT
 config PMW33XX
 	bool "PMW33XX Mouse Sensor"
 	depends on SPI
diff --git a/app/drivers/sensor/pmw33xx/pmw33xx.c b/app/drivers/sensor/pmw33xx/pmw33xx.c
index 19721744..5fcb1ae6 100644
--- a/app/drivers/sensor/pmw33xx/pmw33xx.c
+++ b/app/drivers/sensor/pmw33xx/pmw33xx.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #define DT_DRV_COMPAT pixart_pmw33xx
 
 #include <drivers/spi.h>
diff --git a/app/drivers/sensor/pmw33xx/pmw33xx.h b/app/drivers/sensor/pmw33xx/pmw33xx.h
index 32693957..fe071a32 100644
--- a/app/drivers/sensor/pmw33xx/pmw33xx.h
+++ b/app/drivers/sensor/pmw33xx/pmw33xx.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef ZEPHYR_DRIVERS_SENSOR_PIXART_PMW33XX_H_
 #define ZEPHYR_DRIVERS_SENSOR_PIXART_PMW33XX_H_
 
diff --git a/app/drivers/sensor/pmw33xx/pmw33xx_trigger.c b/app/drivers/sensor/pmw33xx/pmw33xx_trigger.c
index 89c92d21..e254faf1 100644
--- a/app/drivers/sensor/pmw33xx/pmw33xx_trigger.c
+++ b/app/drivers/sensor/pmw33xx/pmw33xx_trigger.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 The ZMK Contributors
+ * Copyright (c) 2022 The ZMK Contributors
  *
  * SPDX-License-Identifier: MIT
  */
diff --git a/app/drivers/zephyr/dts/bindings/sensor/pixart,pmw33xx.yaml b/app/drivers/zephyr/dts/bindings/sensor/pixart,pmw33xx.yaml
index 504f9b93..6a45218a 100644
--- a/app/drivers/zephyr/dts/bindings/sensor/pixart,pmw33xx.yaml
+++ b/app/drivers/zephyr/dts/bindings/sensor/pixart,pmw33xx.yaml
@@ -1,3 +1,5 @@
+# Copyright (c) 2022 The ZMK Contributors
+# SPDX-License-Identifier: MIT
 description: |
   Sensor driver for the pixart PMW33XX optical mouse sensor supports 3360 built in, and 3389 with external srom
 compatible: "pixart,pmw33xx"