diff --git a/lib/app-components/addon/components/branded-navbar/styles.scss b/lib/app-components/addon/components/branded-navbar/styles.scss
index f67cc0a7433..e14d214d3db 100644
--- a/lib/app-components/addon/components/branded-navbar/styles.scss
+++ b/lib/app-components/addon/components/branded-navbar/styles.scss
@@ -2,7 +2,7 @@
 
 .branded-nav-wrapper {
     .branded-nav {
-        z-index: 999;
+        z-index: 998;
     }
 
     :global(.navbar) {
diff --git a/lib/osf-components/addon/components/osf-dialog/styles.scss b/lib/osf-components/addon/components/osf-dialog/styles.scss
index bd6ad0cbb23..aad404cf2bf 100644
--- a/lib/osf-components/addon/components/osf-dialog/styles.scss
+++ b/lib/osf-components/addon/components/osf-dialog/styles.scss
@@ -11,7 +11,7 @@
     align-items: center;
     justify-content: center;
 
-    z-index: 1100;
+    z-index: 999;
     background-color: rgba(0, 0, 0, 0.5);
 }