diff --git a/.gitmodules b/.gitmodules
index a422973b53538..29732c0338de3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,6 +14,10 @@
 	path = blocks/quickmail
 	url = https://github.com/ucsf-education/moodle-block_quickmail
 	branch = UCSFCLE_404_STABLE
+[submodule "course/format/topcoll"]
+	path = course/format/topcoll
+	url = https://github.com/gjbarnard/moodle-format_topcoll
+	branch = MOODLE_404
 [submodule "filter/ucsfezproxy"]
 	path = filter/ucsfezproxy
 	url = https://github.com/ucsf-education/moodle-filter_ucsfezproxy
diff --git a/course/format/topcoll b/course/format/topcoll
new file mode 160000
index 0000000000000..d941758dfc688
--- /dev/null
+++ b/course/format/topcoll
@@ -0,0 +1 @@
+Subproject commit d941758dfc68809aa931b80b0ca80ccfc1c46cc5