diff --git a/packages/fuselage/src/styles/mixins/shadows.scss b/packages/fuselage/src/styles/mixins/shadows.scss
index bf129c9820..55f56f0803 100644
--- a/packages/fuselage/src/styles/mixins/shadows.scss
+++ b/packages/fuselage/src/styles/mixins/shadows.scss
@@ -5,3 +5,7 @@
 @mixin use-focus-shadow($outer-color) {
   box-shadow: 0 0 0 #{ to-rem(4) } #{ $outer-color };
 }
+
+@mixin use-focus-shadow-inset($outer-color) {
+  box-shadow: 0 0 0 #{ to-rem(4) } #{ $outer-color } inset;
+}