diff --git a/.gitmodules b/.gitmodules
index bd369e5281..e1bb7e5ea3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,3 +22,6 @@
 	path = modules/nestor
 	url = https://github.com/isblab/nestor.git
 	branch = main
+[submodule "modules/bff"]
+	path = modules/bff
+	url = https://github.com/Fluorescence-Tools/IMP.bff.git
diff --git a/modules/bff b/modules/bff
new file mode 160000
index 0000000000..6350c9aab4
--- /dev/null
+++ b/modules/bff
@@ -0,0 +1 @@
+Subproject commit 6350c9aab48b1b523ed575503ecad7929441a73b