diff --git a/app/assets/stylesheets/desktop/modal.scss b/app/assets/stylesheets/desktop/modal.scss
index 2744dcc4b16..f4a4b5333a9 100644
--- a/app/assets/stylesheets/desktop/modal.scss
+++ b/app/assets/stylesheets/desktop/modal.scss
@@ -5,6 +5,9 @@
   &__container {
     max-width: var(--modal-max-width);
     min-width: var(--modal-min-width);
+    // height values add optional theme utility
+    max-height: var(--modal-max-height);
+    min-height: var(--modal-min-height);
     .d-modal.-large & {
       max-width: 800px;
     }