Index: b/heist.cabal
===================================================================
--- a/heist.cabal
+++ b/heist.cabal
@@ -191,16 +191,16 @@ Library
     directory                  >= 1.1     && < 1.4,
     directory-tree             >= 0.10    && < 0.13,
     dlist                      >= 0.5     && < 1.1,
-    filepath                   >= 1.3     && < 1.5,
-    hashable                   >= 1.1     && < 1.5,
+    filepath                   >= 1.3     && < 2,
+    hashable                   >= 1.1     && < 2,
     lifted-base                >= 0.2     && < 0.3,
     map-syntax                 >= 0.3     && < 0.4,
     monad-control              >= 0.3     && < 1.1,
     mtl                        >= 2.0     && < 2.4,
     process                    >= 1.1     && < 1.7,
-    random                     >= 1.0.1.0 && < 1.3,
+    random                     >= 1.0.1.0 && < 2,
     text                       >= 0.10    && < 2.2,
-    time                       >= 1.1     && < 1.13,
+    time                       >= 1.1     && < 2,
     transformers               >= 0.3     && < 0.7,
     transformers-base          >= 0.4     && < 0.5,
     unordered-containers       >= 0.1.4   && < 0.3,
@@ -227,8 +227,8 @@ Test-suite testsuite
 
   build-depends:
     HUnit                      >= 1.2      && < 2,
-    QuickCheck                 >= 2        && < 2.15,
-    lens                       >= 4.3      && < 5.3,
+    QuickCheck                 >= 2        && < 3,
+    lens                       >= 4.3      && < 5.4,
     test-framework             >= 0.4      && < 0.9,
     test-framework-hunit       >= 0.2.7    && < 0.4,
     test-framework-quickcheck2 >= 0.2.12.1 && < 0.4,
