diff --git a/.gitmodules b/.gitmodules
index bad12fb09..6f18755cc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "wiki"]
 	path = wiki
 	url = https://github.com/vladmandic/automatic.wiki
+[submodule "extensions-builtin/sd-extension-steps-animation"]
+	path = extensions-builtin/sd-extension-steps-animation
+	url = https://github.com/vladmandic/sd-extension-steps-animation
diff --git a/extensions-builtin/sd-extension-steps-animation b/extensions-builtin/sd-extension-steps-animation
new file mode 160000
index 000000000..d84e051cf
--- /dev/null
+++ b/extensions-builtin/sd-extension-steps-animation
@@ -0,0 +1 @@
+Subproject commit d84e051cfc11ce75ce351a8379db7eac0258d796