diff --git a/.gitmodules b/.gitmodules
index 4449adbf2ca18..e66d817b31c7c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -27,6 +27,11 @@
 	path = blocks/quickmail
 	url = https://github.com/ucsf-education/moodle-block_quickmail
 	branch = UCSFCLE_404_STABLE
+[submodule "blocks/massaction"]
+	path = blocks/massaction
+	url = https://github.com/Syxton/moodle-block_massaction
+	branch = master
+	tag = 7.3.1
 [submodule "course/format/topcoll"]
 	path = course/format/topcoll
 	url = https://github.com/gjbarnard/moodle-format_topcoll
diff --git a/blocks/massaction b/blocks/massaction
new file mode 160000
index 0000000000000..387c144b2a731
--- /dev/null
+++ b/blocks/massaction
@@ -0,0 +1 @@
+Subproject commit 387c144b2a731ff95d6fe3c763c9597436079eaf