diff --git a/.changeset/red-flowers-own.md b/.changeset/red-flowers-own.md
new file mode 100644
index 0000000000..45c0f5ab69
--- /dev/null
+++ b/.changeset/red-flowers-own.md
@@ -0,0 +1,5 @@
+---
+"@primer/css": patch
+---
+
+Use `control` borders for subnav + disabled button fix