diff --git a/.gitmodules b/.gitmodules
index 8eecc252a..0653d9042 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -39,3 +39,6 @@
 [submodule "extensions-builtin/sd-webui-agent-scheduler"]
   path = extensions-builtin/sd-webui-agent-scheduler
   url = https://github.com/ArtVentureX/sd-webui-agent-scheduler
+[submodule "extensions-builtin/sd-extension-chainner"]
+	path = extensions-builtin/sd-extension-chainner
+	url = https://github.com/vladmandic/sd-extension-chainner
diff --git a/extensions-builtin/sd-extension-chainner b/extensions-builtin/sd-extension-chainner
new file mode 160000
index 000000000..60cbd7854
--- /dev/null
+++ b/extensions-builtin/sd-extension-chainner
@@ -0,0 +1 @@
+Subproject commit 60cbd78544f5551f445330d107234fc30e221244