diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1eb51e4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/plugins/lib-spamwatch"]
+	path = src/plugins/lib-spamwatch
+	url = https://github.com/ABOCN/TelegramBot-SpamWatch
diff --git a/src/plugins/lib-spamwatch b/src/plugins/lib-spamwatch
new file mode 160000
index 0000000..4ee2a82
--- /dev/null
+++ b/src/plugins/lib-spamwatch
@@ -0,0 +1 @@
+Subproject commit 4ee2a82e1d52afcfd3cba956e9c9526a5ede5a64