diff --git a/wl-pprint-ansiterm.cabal b/wl-pprint-ansiterm.cabal
--- a/wl-pprint-ansiterm.cabal
+++ b/wl-pprint-ansiterm.cabal
@@ -1,5 +1,5 @@
 name:                wl-pprint-ansiterm
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            ANSI Terminal support with wl-pprint-extras
 description:         ANSI Terminal support with wl-pprint-extras
 license:             BSD3
@@ -23,7 +23,7 @@
   -- other-modules:       
   other-extensions:    TypeFamilies
   build-depends:       base == 4.*,
-                     mtl >=2.2 && <2.3,
+                     mtl == 2.*,
                      wl-pprint-extras >= 3.5,
                      ansi-terminal >= 0.6,
                      bytestring       >= 0.9.1   && < 0.11,