diff --git a/app/assets/stylesheets/sul_variables.scss b/app/assets/stylesheets/sul_variables.scss
index 1ab20135f..b329baa1b 100644
--- a/app/assets/stylesheets/sul_variables.scss
+++ b/app/assets/stylesheets/sul_variables.scss
@@ -13,7 +13,7 @@ $sul-border-color: $color-pantone-405;
 $sul-button-bg: $sul-border-color;
 $sul-input-border: $gray-80-percent;
 $sul-title-size: floor(($font-size-base * 1.29));
-$sul-header-weight: 300;
+$sul-header-weight: 400;
 $sul-link-color: #006cb8;
 $sul-link-hover-color: #00548f;
 $sul-metadata-bg: $color-beige-05;