--- a/http-conduit.cabal
+++ b/http-conduit.cabal
@@ -77,7 +77,7 @@ test-suite test
                  , case-insensitive
                  , unliftio
                  , wai >= 3.0 && < 3.3
-                 , warp >= 3.0.0.2 && < 3.4
+                 , warp >= 3.0.0.2 && < 3.6
                  , wai-conduit
                  , http-types
                  , cookie
