diff --git a/preamble.cabal b/preamble.cabal
--- a/preamble.cabal
+++ b/preamble.cabal
@@ -1,5 +1,5 @@
 name:                  preamble
-version:               0.0.9
+version:               0.0.10
 synopsis:              Yet another prelude.
 description:           A prelude built on basic-prelude.
 homepage:              https://github.com/swift-nav/preamble
diff --git a/src/Preamble/Types/Alias.hs b/src/Preamble/Types/Alias.hs
--- a/src/Preamble/Types/Alias.hs
+++ b/src/Preamble/Types/Alias.hs
@@ -21,17 +21,17 @@
 --
 type Trace = Loc -> LogSource -> LogLevel -> LogStr -> IO ()
 
--- | MonadBaseControlIO
+-- | MonadControl
 --
-type MonadBaseControlIO m =
+type MonadControl m =
   ( MonadBaseControl IO m
   , MonadIO m
+  , MonadMask m
   )
 
 -- | MonadMain
 --
 type MonadMain m =
-  ( MonadBaseControlIO m
+  ( MonadControl m
   , MonadResource m
-  , MonadMask m
   )