diff --git a/pr/ef/prefixes-uppercase-os b/pr/ef/prefixes-uppercase-os
new file mode 100644
index 00000000000..c2768ad11b0
--- /dev/null
+++ b/pr/ef/prefixes-uppercase-os
@@ -0,0 +1 @@
+{"name":"prefixes-uppercase-os","vers":"0.1.0","deps":[{"name":"quote","req":"^1.0.36","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"syn","req":"^2.0.60","features":["proc-macro","parsing","printing"],"optional":false,"default_features":false,"target":null,"kind":"normal"}],"cksum":"180b7cbc0aac546493dcaf13c6b91f1816808e136f6b031667ef0e85cdded38a","features":{},"yanked":false}