diff --git a/html/changelogs/AutoChangeLog-pr-1639.yml b/html/changelogs/AutoChangeLog-pr-1639.yml
new file mode 100644
index 0000000000..b85743479e
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-1639.yml
@@ -0,0 +1,4 @@
+author: "optional name here"
+delete-after: True
+changes: 
+  - bugfix: "Cryo cells work properly on mobs with varying max health values."