diff --git a/.gitmodules b/.gitmodules
index 08bcb1b..da8d7ac 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "opticks"]
 	path = opticks
-	url = https://github.com/psilib/opticks.git
+	url = https://github.com/bnlnpps/esi-opticks.git
diff --git a/opticks b/opticks
index 7e6d017..cccab33 160000
--- a/opticks
+++ b/opticks
@@ -1 +1 @@
-Subproject commit 7e6d0174b87d0848479e6ccfa305fe7d771cf062
+Subproject commit cccab331822bda5308fc4f156cfe1a7be06ab674