diff --git a/.gitmodules b/.gitmodules
index 5797e761488db95774ca7ce75cf2df9f1dc1f2ce..8403e529ea92b9254803cdf84f45f15956db5170 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,3 +14,7 @@
 	path = UTIL_ED
 	url = https://github.com/JeffersonLab/UTIL_ED
 	branch = master
+[submodule "UTIL_SIDIS"]
+	path = UTIL_SIDIS
+	url = https://github.com/JeffersonLab/UTIL_SIDIS
+	branch = master
\ No newline at end of file
diff --git a/UTIL_SIDIS b/UTIL_SIDIS
new file mode 160000
index 0000000000000000000000000000000000000000..a4b2ad6697e8eefacd39af2047f9ba429d7e51e1
--- /dev/null
+++ b/UTIL_SIDIS
@@ -0,0 +1 @@
+Subproject commit a4b2ad6697e8eefacd39af2047f9ba429d7e51e1