diff --git a/cassava-conduit.cabal b/cassava-conduit.cabal
--- a/cassava-conduit.cabal
+++ b/cassava-conduit.cabal
@@ -1,5 +1,5 @@
 name:               cassava-conduit
-version:            0.6.5
+version:            0.6.6
 license:            BSD3
 license-file:       etc/LICENCE.md
 author:             Dom De Re
@@ -33,11 +33,11 @@
                     ,   containers
                     ,   array
                     ,   bifunctors              >= 4.2          && < 6
-                    ,   bytestring              == 0.11.*
+                    ,   bytestring              >= 0.11 && < 0.15
                     ,   cassava                 == 0.5.*
-                    ,   conduit                 == 1.3.*
-                    ,   mtl                     >= 2.2.1 && < 2.4
-                    ,   text                    == 1.2.* || >=2.0 && <2.1
+                    ,   conduit                 >= 1.3 && < 1.5
+                    ,   mtl                     >= 2.2.1 && < 2.6
+                    ,   text                    == 1.2.* || >=2.0 && <2.9
 
     ghc-options:        -Wall