diff --git a/cabal-install/cabal-install.cabal b/cabal-install/cabal-install.cabal
index 3cb68deb661..52d5f08edaa 100644
--- a/cabal-install/cabal-install.cabal
+++ b/cabal-install/cabal-install.cabal
@@ -227,7 +227,7 @@ library
         process    >= 1.2.3.0  && < 1.7,
         random     >= 1.2      && < 1.3,
         stm        >= 2.0      && < 2.6,
-        tar        >= 0.5.0.3  && < 0.6,
+        tar        >= 0.5.0.3  && < 0.7,
         time       >= 1.5.0.1  && < 1.13,
         zlib       >= 0.5.3    && < 0.7,
         hackage-security >= 0.6.2.0 && < 0.7,