diff --git a/frontend/src/hooks/useConnections.ts b/frontend/src/hooks/useConnections.ts
index 919abed..76ecf72 100644
--- a/frontend/src/hooks/useConnections.ts
+++ b/frontend/src/hooks/useConnections.ts
@@ -47,8 +47,9 @@ export function useConnections() {
       });
       return data;
     },
-    onSuccess: async () => {
-      await queryClient.invalidateQueries({ queryKey: ['connections'] });
+    onSuccess: () => {
+      // Fire-and-forget — don't block mutateAsync on query refetches
+      queryClient.invalidateQueries({ queryKey: ['connections'] });
     },
   });
 
@@ -72,11 +73,10 @@ export function useConnections() {
       const { data } = await api.put(`/connections/requests/${requestId}/cancel`);
       return data;
     },
-    onSuccess: async () => {
-      await Promise.all([
-        queryClient.invalidateQueries({ queryKey: ['connections'] }),
-        queryClient.invalidateQueries({ queryKey: ['notifications'] }),
-      ]);
+    onSuccess: () => {
+      // Fire-and-forget — don't block mutateAsync on query refetches
+      queryClient.invalidateQueries({ queryKey: ['connections'] });
+      queryClient.invalidateQueries({ queryKey: ['notifications'] });
     },
   });