diff --git a/.gitmodules b/.gitmodules
index fadcbf1..1c859c8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "pico-playground"]
 	path = pico-playground
 	url = git@github.com:raspberrypi/pico-playground.git
+[submodule "lib/littlefs/littlefs"]
+	path = lib/littlefs/littlefs
+	url = https://github.com/littlefs-project/littlefs.git
diff --git a/lib/littlefs/littlefs b/lib/littlefs/littlefs
new file mode 160000
index 0000000..6a53d76
--- /dev/null
+++ b/lib/littlefs/littlefs
@@ -0,0 +1 @@
+Subproject commit 6a53d76e90af33f0656333c1db09bd337fa75d23