diff --git a/include/async_resp.hpp b/include/async_resp.hpp
index 8e9584c..607d168 100644
--- a/include/async_resp.hpp
+++ b/include/async_resp.hpp
@@ -24,6 +24,8 @@
 
     AsyncResp(const AsyncResp&) = delete;
     AsyncResp(AsyncResp&&) = delete;
+    AsyncResp& operator=(const AsyncResp&) = delete;
+    AsyncResp& operator=(AsyncResp&&) = delete;
 
     ~AsyncResp()
     {