diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc1dc8e06..ce27ac9b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 12.1.0 IN PROGRESS
 
 * Add `hasMatchSelection` to `<AdvancedSearch>` to hide/show search match selection dropdown. Refs STCOM-1211.
+* Add z-index of 1 to callout out to have it always render on top of sibling elements. Fixes STCOM-1217.
 
 ## [12.0.0](https://github.com/folio-org/stripes-components/tree/v12.0.0) (2023-10-11)
 [Full Changelog](https://github.com/folio-org/stripes-components/compare/v11.0.0...v12.0.0)
diff --git a/lib/Callout/Callout.css b/lib/Callout/Callout.css
index a7e95a0f0..3656e7398 100644
--- a/lib/Callout/Callout.css
+++ b/lib/Callout/Callout.css
@@ -10,6 +10,7 @@
   height: 100%;
   pointer-events: none;
   padding: 1.5rem 1rem;
+  z-index: 1;
 }
 
 .calloutContainer {