diff --git a/_sass/navigation.scss b/_sass/navigation.scss
index 10b0295..22c022f 100644
--- a/_sass/navigation.scss
+++ b/_sass/navigation.scss
@@ -1,6 +1,6 @@
 // Main nav, breadcrumb, etc...
 // stylelint-disable selector-no-type, max-nesting-depth, selector-max-compound-selectors, selector-max-type, selector-max-specificity
-
+@use 'sass:math';
 .nav-list {
   padding: 0;
   margin-top: 0;
diff --git a/_sass/support/_functions.scss b/_sass/support/_functions.scss
index 1c2de2e..8b59ec0 100644
--- a/_sass/support/_functions.scss
+++ b/_sass/support/_functions.scss
@@ -1,3 +1,5 @@
+@use 'sass:math';
+
 @function rem($size, $unit: "") {
   $rem-size: math.div($size, $root-font-size);