diff --git a/ipython-kernel/examples/Calc.hs b/ipython-kernel/examples/Calc.hs
index b6809c76..23907e2a 100644
--- a/ipython-kernel/examples/Calc.hs
+++ b/ipython-kernel/examples/Calc.hs
@@ -8,7 +8,7 @@ import           Control.Arrow
 import           Control.Concurrent (MVar, newMVar, takeMVar, putMVar, threadDelay)
 import           Control.Monad (guard)
 import           Control.Monad.IO.Class (MonadIO(..))
-import           Control.Monad.State.Strict (StateT, get, modify, runStateT)
+import           Control.Monad.Trans.State.Strict (StateT, get, modify, runStateT)
 
 import           Data.Char (isDigit)
 import           Data.List (isPrefixOf)
diff --git a/ipython-kernel/ipython-kernel.cabal b/ipython-kernel/ipython-kernel.cabal
index d5c36a60..5224816e 100644
--- a/ipython-kernel/ipython-kernel.cabal
+++ b/ipython-kernel/ipython-kernel.cabal
@@ -46,7 +46,6 @@ library
                        filepath        ,
                        process         ,
                        memory          ,
-                       mtl             ,
                        text            ,
                        transformers    ,
                        unordered-containers,
@@ -62,7 +61,6 @@ executable simple-calc-example
   build-depends:    ipython-kernel ,
                     base           ,
                     filepath       ,
-                    mtl            ,
                     parsec         ,
                     text           ,
                     transformers
@@ -77,7 +75,6 @@ executable fun-calc-example
   build-depends:    ipython-kernel ,
                     base           ,
                     filepath       ,
-                    mtl            ,
                     parsec         ,
                     text           ,
                     transformers