diff --git a/.gitmodules b/.gitmodules
index 04264391b..6dc2ad465 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -264,3 +264,6 @@
 [submodule "pelican-b-side"]
 	path = pelican-b-side
 	url = https://gitlab.com/jhauh/pelican_b_side.git
+[submodule "stirring"]
+	path = stirring
+	url = https://github.com/hansliu/pelican-stirring.git
diff --git a/stirring b/stirring
new file mode 160000
index 000000000..f8239ae7e
--- /dev/null
+++ b/stirring
@@ -0,0 +1 @@
+Subproject commit f8239ae7ef2fe454eafb9636d11cfc7622eb3c41