diff --git a/.gitmodules b/.gitmodules
index 02a82e8..e81e588 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "users"]
 	path = users
 	url = https://git.mount-mockery.de/django_lib/users.git
+[submodule "stringtools"]
+	path = stringtools
+	url = https://git.mount-mockery.de/pylib/stringtools.git
diff --git a/stringtools b/stringtools
new file mode 160000
index 0000000..e1f76d9
--- /dev/null
+++ b/stringtools
@@ -0,0 +1 @@
+Subproject commit e1f76d96312e540544b2328d0937b0aa41126aa9