diff --git a/packdeps.cabal b/packdeps.cabal
--- a/packdeps.cabal
+++ b/packdeps.cabal
@@ -1,5 +1,5 @@
 name:            packdeps
-version:         0.4.2
+version:         0.4.2.1
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -18,7 +18,7 @@
 
 library
     build-depends:   base                      >= 4        && < 5
-                   , tar                       >= 0.4      && < 0.5
+                   , tar                       >= 0.4      && < 0.6
                    , split                     >= 0.1.2.3
                    , bytestring                >= 0.9
                    , text                      >= 0.7