diff --git a/app/assets/stylesheets/zammad.scss b/app/assets/stylesheets/zammad.scss
index 5e461350b..e957e9958 100644
--- a/app/assets/stylesheets/zammad.scss
+++ b/app/assets/stylesheets/zammad.scss
@@ -972,8 +972,8 @@ h1, h2, h3, h4, h5, h6 {
 }
 
 h1 {
-  font-size: 23px;
-  line-height: 29px;
+  font-size: 24px;
+  line-height: 30px;
 }
 
 h2,