Index: haskell-oeis/oeis.cabal
===================================================================
--- haskell-oeis.orig/oeis.cabal	2014-09-17 20:18:51.000000000 +0200
+++ haskell-oeis/oeis.cabal	2016-05-31 16:34:24.091525704 +0200
@@ -45,7 +45,7 @@
     Math.OEIS.Types
 
   build-depends:
-    HTTP    == 4000.2.*,
+    HTTP    >= 4000.2,
     base    >= 3 && < 5
 
   if flag(network-uri)
