diff --git a/.gitmodules b/.gitmodules
index ca0148a..d9a8aa9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "lib/midi"]
 	path = lib/midi
 	url = https://git.wmi.amu.edu.pl/s416496/midi.git
+[submodule "lib/scheduler"]
+	path = lib/scheduler
+	url = https://github.com/RobertBendun/scheduler.git
diff --git a/lib/scheduler b/lib/scheduler
new file mode 160000
index 0000000..7ab4d40
--- /dev/null
+++ b/lib/scheduler
@@ -0,0 +1 @@
+Subproject commit 7ab4d40fa7cff78708c54be5775efd98427ffce1