diff --git a/.changeset/shy-ducks-work.md b/.changeset/shy-ducks-work.md
new file mode 100644
index 0000000000..0792e56060
--- /dev/null
+++ b/.changeset/shy-ducks-work.md
@@ -0,0 +1,5 @@
+---
+'@primer/css': patch
+---
+
+fix backdrop selector