diff --git a/theme/boost/scss/moodle/core.scss b/theme/boost/scss/moodle/core.scss
index ac58e81402d..4f10a3795d4 100644
--- a/theme/boost/scss/moodle/core.scss
+++ b/theme/boost/scss/moodle/core.scss
@@ -2603,6 +2603,9 @@ $picker-emojis-per-row: 7 !default;
         color: darken(theme-color-level($color, $alert-color-level), 10%);
     }
 }
+.alert a {
+    font-weight: $font-weight-bold;
+}
 
 @include media-breakpoint-down(sm) {
     #page-navbar {
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index c9fc67172b4..588a0de57e9 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -11746,6 +11746,9 @@ body.h5p-embed .h5pmessages {
 .alert-dark a {
   color: #040505; }
 
+.alert a {
+  font-weight: 700; }
+
 @media (max-width: 767.98px) {
   #page-navbar {
     width: 100%; }
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 7be61849309..e9b5b03f0fe 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -11960,6 +11960,9 @@ body.h5p-embed .h5pmessages {
 .alert-dark a {
   color: #040505; }
 
+.alert a {
+  font-weight: 700; }
+
 @media (max-width: 767.98px) {
   #page-navbar {
     width: 100%; }