diff --git a/representable-tries.cabal b/representable-tries.cabal
--- a/representable-tries.cabal
+++ b/representable-tries.cabal
@@ -1,6 +1,6 @@
 name:          representable-tries
 category:      Data Structures, Functors, Monads, Comonads
-version:       2.2
+version:       2.2.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -34,17 +34,17 @@
   build-depends:
     base                   >= 4       && < 5,
     containers             >= 0.3     && < 0.5,
-    mtl                    >= 2.1     && < 2.2,
-    transformers           >= 0.3     && < 0.4,
+    mtl                    >= 2.0.1   && < 2.2,
+    transformers           >= 0.2     && < 0.4,
     bifunctors             >= 0.1.3   && < 0.2,
     comonad                >= 1.1.1.3 && < 1.2,
-    distributive           >= 0.2.1   && < 0.3,
+    distributive           >= 0.2.2   && < 0.3,
     semigroups             >= 0.8.2   && < 0.9,
-    semigroupoids          >= 1.3     && < 1.4,
+    semigroupoids          >= 1.3.1   && < 1.4,
     keys                   >= 2.1.3   && < 2.2,
-    comonad-transformers   >= 2.1     && < 2.2,
-    adjunctions            >= 2.2     && < 2.3,
-    representable-functors >= 2.2     && < 2.3
+    comonad-transformers   >= 2.1.1   && < 2.2,
+    adjunctions            >= 2.2.1   && < 2.3,
+    representable-functors >= 2.2.1   && < 2.3
 
   exposed-modules:
     Control.Monad.Reader.Trie