diff --git a/.changeset/odd-apples-smash.md b/.changeset/odd-apples-smash.md
new file mode 100644
index 0000000000..e93e87b3c1
--- /dev/null
+++ b/.changeset/odd-apples-smash.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': patch
+---
+
+Lighthouse was reporting this button as having invalid aria- values, as the popover doesn't exist until clicked. This adds additional labels to the button to make it valid aria
diff --git a/plugins/catalog/src/components/EntityContextMenu/EntityContextMenu.tsx b/plugins/catalog/src/components/EntityContextMenu/EntityContextMenu.tsx
index ee677c5238..5664186ab1 100644
--- a/plugins/catalog/src/components/EntityContextMenu/EntityContextMenu.tsx
+++ b/plugins/catalog/src/components/EntityContextMenu/EntityContextMenu.tsx
@@ -109,9 +109,12 @@ export function EntityContextMenu(props: EntityContextMenuProps) {
         aria-label="more"
         aria-controls="long-menu"
         aria-haspopup="true"
+        aria-expanded={!!anchorEl}
+        role="button"
         onClick={onOpen}
         data-testid="menu-button"
         className={classes.button}
+        id="long-menu"
       >
         <MoreVert />
       </IconButton>
@@ -121,6 +124,7 @@ export function EntityContextMenu(props: EntityContextMenuProps) {
         anchorEl={anchorEl}
         anchorOrigin={{ vertical: 'bottom', horizontal: 'right' }}
         transformOrigin={{ vertical: 'top', horizontal: 'right' }}
+        aria-labelledby="long-menu"
       >
         <MenuList>
           {extraItems}