diff --git a/src/themes/oui-next/global_styling/mixins/_button.scss b/src/themes/oui-next/global_styling/mixins/_button.scss
index 4008fac5a..d89222cee 100644
--- a/src/themes/oui-next/global_styling/mixins/_button.scss
+++ b/src/themes/oui-next/global_styling/mixins/_button.scss
@@ -51,7 +51,7 @@
 
   text-decoration: none;
   border: solid 1px transparent;
-  font-weight: 600;
+  font-weight: 400;
 
   // sass-lint:disable mixins-before-declarations
   // focus states should come after all default styles