diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e7369ed
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "formats/mpq/stormlib"]
+	path = formats/mpq/stormlib
+	url = https://github.com/ladislav-zezula/StormLib.git
diff --git a/formats/mpq/stormlib b/formats/mpq/stormlib
new file mode 160000
index 0000000..5987f7c
--- /dev/null
+++ b/formats/mpq/stormlib
@@ -0,0 +1 @@
+Subproject commit 5987f7c5c2a9fb43833f750b56b2da852cf55dca