diff --git a/changelog.d/6189.misc b/changelog.d/6189.misc
new file mode 100644
index 0000000000..a66eb384e6
--- /dev/null
+++ b/changelog.d/6189.misc
@@ -0,0 +1 @@
+Make `version` optional in body of `PUT /room_keys/version/{version}`, since it's redundant.