diff --git a/.changeset/tender-suns-allow.md b/.changeset/tender-suns-allow.md
new file mode 100644
index 0000000..f965348
--- /dev/null
+++ b/.changeset/tender-suns-allow.md
@@ -0,0 +1,5 @@
+---
+"@primer/behaviors": patch
+---
+
+Check if popover supported in isTopLayer