diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6463baf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "fishnet/htmx"]
+	path = fishnet/htmx
+	url = https://github.com/bigskysoftware/htmx