diff --git a/.gitmodules b/.gitmodules
index b92048b7a2fbb..7acf7b5e7bc2a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -192,7 +192,7 @@
 [submodule "filter/ucsfezproxy"]
 	path = filter/ucsfezproxy
 	url = https://github.com/ucsf-education/moodle-filter_ucsfezproxy
-	branch = MOODLE_403_DEVEL
+	branch = MOODLE_403_STABLE
 [submodule "lib/editor/atto/plugins/fontsize"]
 	path = lib/editor/atto/plugins/fontsize
 	url = https://github.com/andrewnicols/moodle-atto_fontsize
diff --git a/filter/ucsfezproxy b/filter/ucsfezproxy
index fd44299257100..259652f5c9c31 160000
--- a/filter/ucsfezproxy
+++ b/filter/ucsfezproxy
@@ -1 +1 @@
-Subproject commit fd44299257100c431a0402b132fec96fa5440248
+Subproject commit 259652f5c9c314082a4c2059343dbf3baa56fa10