diff --git a/pandoc.cabal b/pandoc.cabal
index 57ad24b78..400ba0dd7 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -144,7 +144,7 @@ Library
                  process >= 1, directory >= 1,
                  bytestring >= 0.9, zip-archive >= 0.1.1.4,
                  utf8-string >= 0.3, old-time >= 1,
-                 HTTP >= 4000.0
+                 HTTP >= 4000.0.5
   if impl(ghc >= 6.10)
     Build-depends: base >= 4 && < 5, syb
   else