diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6b450dd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "extern/SadTalker"]
+	path = extern/SadTalker
+	url = https://github.com/OpenTalker/SadTalker.git
diff --git a/extern/SadTalker b/extern/SadTalker
new file mode 160000
index 0000000..4c38d1f
--- /dev/null
+++ b/extern/SadTalker
@@ -0,0 +1 @@
+Subproject commit 4c38d1f5950a5fc2616f26d7e92e750f51c13ac2