diff --git a/install/plugin-list b/install/plugin-list
index f768f815b4d57c0b43dbacb2a334ba5b06d0f2b0..eb9fe39e52a85365715952977ec816181a2c1e45 100644
--- a/install/plugin-list
+++ b/install/plugin-list
@@ -1,5 +1,6 @@
 https://github.com/discourse/discourse-akismet
 https://github.com/discourse/discourse-assign
+https://github.com/discourse/discourse-calendar
 https://github.com/discourse/discourse-canned-replies
 https://github.com/discourse/discourse-checklist
 https://github.com/discourse/discourse-docs