diff --git a/.changeset/large-masks-walk.md b/.changeset/large-masks-walk.md
new file mode 100644
index 0000000000..1ae88855e2
--- /dev/null
+++ b/.changeset/large-masks-walk.md
@@ -0,0 +1,5 @@
+---
+'@primer/css': patch
+---
+
+Improve dividers in `Layout` when flowing as row.