diff --git a/breve.cabal b/breve.cabal
index 0bcfe38..9fec283 100644
--- a/breve.cabal
+++ b/breve.cabal
@@ -29,7 +29,7 @@ executable breve
   other-modules:     Application, Views, Breve.Settings,
                      Breve.Generator, Breve.UrlTable
   other-extensions:  OverloadedStrings
-  build-depends:     base >=4.8 && <5.0, warp,
+  build-depends:     base >=4.8 && <5.0, warp, warp-tls,
                      Spock, blaze-html, http-types,
                      wai, wai-middleware-static, wai-extra,
                      transformers, mtl,