diff --git a/rasa-ext-cmd.cabal b/rasa-ext-cmd.cabal
--- a/rasa-ext-cmd.cabal
+++ b/rasa-ext-cmd.cabal
@@ -1,5 +1,5 @@
 name: rasa-ext-cmd
-version: 0.1.2
+version: 0.1.3
 cabal-version: >=1.10
 build-type: Simple
 license: GPL-3
@@ -22,7 +22,7 @@
         Rasa.Ext.Cmd
     build-depends:
         base >=4.8 && <5,
-        rasa >=0.1.9 && <0.2,
+        rasa >=0.1.11 && <0.2,
         data-default >=0.7.1.1 && <0.8,
         lens ==4.14.*,
         text >=1.2.2.1 && <1.3,
diff --git a/src/Rasa/Ext/Cmd.hs b/src/Rasa/Ext/Cmd.hs
--- a/src/Rasa/Ext/Cmd.hs
+++ b/src/Rasa/Ext/Cmd.hs
@@ -1,5 +1,3 @@
-{-# LANGUAGE TemplateHaskell #-}
-
 module Rasa.Ext.Cmd
   ( addCmd
   , runCmd
@@ -12,28 +10,27 @@
 import Data.Default
 import Data.Typeable
 
-data Cmd = Cmd
-  { _commands :: Map String (String -> Action ())
-  } deriving (Typeable)
+data Cmd =
+  Cmd (Map String (String -> App ()))
+  deriving (Typeable)
 
 instance Show Cmd where
   show (Cmd cmds) = show (keys cmds)
 
-makeLenses ''Cmd
-
 instance Default Cmd where
-  def = Cmd
-    { _commands=empty
-    }
+  def = Cmd empty
 
 -- It would be nice to make this a little more generic, but I'm not sure how right now.
--- TODO try switching to T.Text -> (T.Text -> a) -> Action ()
-addCmd :: String -> (String -> Action ()) -> Action ()
-addCmd alias mkEvent = ext.commands.at alias ?= mkEvent
+-- TODO try switching to T.Text -> (T.Text -> a) -> App ()
+addCmd :: String -> (String -> App ()) -> App ()
+addCmd alias mkEvent =
+  stateLens %= add
+    where add (Cmd commands) = Cmd $ commands & at alias ?~ mkEvent
 
-runCmd :: String -> String -> Action ()
+runCmd :: String -> String -> App ()
 runCmd alias args = do
-  mCmd <- use (ext.commands.at alias)
+  Cmd commands <- use stateLens
+  let mCmd = commands^.at alias
   case mCmd of
     Just cmd -> cmd args
     Nothing -> return ()