diff --git a/src/vs/sessions/contrib/changes/browser/media/checksWidget.css b/src/vs/sessions/contrib/changes/browser/media/checksWidget.css
index f2536e83625..49f8a949094 100644
--- a/src/vs/sessions/contrib/changes/browser/media/checksWidget.css
+++ b/src/vs/sessions/contrib/changes/browser/media/checksWidget.css
@@ -22,7 +22,7 @@
 	margin-top: 4px;
 	border-radius: 6px;
 	min-height: 22px;
-	font-weight: var(--vscode-agents-fontWeight-medium, 500);
+	font-weight: var(--vscode-agents-fontWeight-semiBold, 600);
 	cursor: pointer;
 	user-select: none;
 }