diff --git a/.gitmodules b/.gitmodules
index a0538ad8..7ba1e7a7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -187,3 +187,6 @@
 [submodule "libraries/helpers/fancyled"]
 	path = libraries/helpers/fancyled
 	url = https://github.com/adafruit/Adafruit_CircuitPython_FancyLED.git
+[submodule "libraries/drivers/tsl2591"]
+	path = libraries/drivers/tsl2591
+	url = https://github.com/adafruit/Adafruit_CircuitPython_TSL2591.git
diff --git a/libraries/drivers/tsl2591 b/libraries/drivers/tsl2591
new file mode 160000
index 00000000..cc4666a7
--- /dev/null
+++ b/libraries/drivers/tsl2591
@@ -0,0 +1 @@
+Subproject commit cc4666a7c3febe388e65011cd2a0f833781edbce