diff --git a/.gitmodules b/.gitmodules
index a780d2e4..9b221569 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -70,3 +70,6 @@
 [submodule "libraries/drivers/sdcard"]
 	path = libraries/drivers/sdcard
 	url = https://github.com/adafruit/Adafruit_CircuitPython_SD.git
+[submodule "libraries/drivers/ds3231"]
+	path = libraries/drivers/ds3231
+	url = https://github.com/adafruit/Adafruit_CircuitPython_DS3231.git
diff --git a/libraries/drivers/ds3231 b/libraries/drivers/ds3231
new file mode 160000
index 00000000..6f986332
--- /dev/null
+++ b/libraries/drivers/ds3231
@@ -0,0 +1 @@
+Subproject commit 6f9863324cd161a049bffdb97b5776ade9e32365