diff --git a/core/themes/claro/css/components/tableselect.css b/core/themes/claro/css/components/tableselect.css
index 57d24cc3bf0c45314ece7f2938c0d22bac16f90a..1dc4e75b0f8024b14996542031de8c06f9a51079 100644
--- a/core/themes/claro/css/components/tableselect.css
+++ b/core/themes/claro/css/components/tableselect.css
@@ -130,3 +130,7 @@ tr.selected td {
     width: auto;
   }
 }
+
+.ui-autocomplete {
+  z-index: 501;
+}
diff --git a/core/themes/claro/css/components/tableselect.pcss.css b/core/themes/claro/css/components/tableselect.pcss.css
index 531e12b918d490c7c6cb5dc0dcc7db9ae9784c13..5df6b62da548cdd4cc5972f90beee825c611fdbe 100644
--- a/core/themes/claro/css/components/tableselect.pcss.css
+++ b/core/themes/claro/css/components/tableselect.pcss.css
@@ -116,3 +116,7 @@ tr.selected td {
     width: auto;
   }
 }
+
+.ui-autocomplete {
+  z-index: 501;
+}