diff --git a/.changeset/short-lobsters-fix.md b/.changeset/short-lobsters-fix.md
new file mode 100644
index 000000000..7344dee1d
--- /dev/null
+++ b/.changeset/short-lobsters-fix.md
@@ -0,0 +1,7 @@
+---
+'@emotion/css': major
+'@emotion/react': major
+'@emotion/styled': major
+---
+
+UMD filenames have been changed.