diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.3.10
+
+* New minor release (microlens-0.4.9, microlens-ghc-0.4.9, microlens-th-0.4.2).
+
 # 0.3.9.0
 
 * New minor release (microlens-mtl-0.1.11).
diff --git a/microlens-platform.cabal b/microlens-platform.cabal
--- a/microlens-platform.cabal
+++ b/microlens-platform.cabal
@@ -1,5 +1,5 @@
 name:                microlens-platform
-version:             0.3.9.0
+version:             0.3.10
 synopsis:            Feature-complete microlens
 description:
   This package exports a module which is the recommended starting point for using <http://hackage.haskell.org/package/microlens microlens> if you aren't trying to keep your dependencies minimal. By importing @Lens.Micro.Platform@ you get all functions and instances from <http://hackage.haskell.org/package/microlens microlens>, <http://hackage.haskell.org/package/microlens-th microlens-th>, <http://hackage.haskell.org/package/microlens-mtl microlens-mtl>, <http://hackage.haskell.org/package/microlens-ghc microlens-ghc>, as well as instances for @Vector@, @Text@, and @HashMap@.
@@ -30,10 +30,10 @@
   -- other-extensions:    
   build-depends:       base >=4.5 && <5
                      , hashable >=1.1.2.3 && <1.3
-                     , microlens ==0.4.8.*
-                     , microlens-ghc ==0.4.8.*
+                     , microlens ==0.4.9.*
+                     , microlens-ghc ==0.4.9.*
                      , microlens-mtl ==0.1.11.*
-                     , microlens-th ==0.4.1.*
+                     , microlens-th ==0.4.2.*
                      , text >=0.11 && <1.3
                      , unordered-containers >=0.2.4 && <0.3
                      , vector >=0.9 && <0.13
diff --git a/src/Lens/Micro/Platform.hs b/src/Lens/Micro/Platform.hs
--- a/src/Lens/Micro/Platform.hs
+++ b/src/Lens/Micro/Platform.hs
@@ -1,11 +1,9 @@
-{-# LANGUAGE
-CPP,
-TypeFamilies,
-MultiParamTypeClasses,
-FlexibleInstances,
-UndecidableInstances,
-Trustworthy
-  #-}
+{-# LANGUAGE CPP #-}
+{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE Trustworthy #-}
 
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
diff --git a/src/Lens/Micro/Platform/Internal.hs b/src/Lens/Micro/Platform/Internal.hs
--- a/src/Lens/Micro/Platform/Internal.hs
+++ b/src/Lens/Micro/Platform/Internal.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE
-CPP,
-FlexibleInstances,
-Safe
-  #-}
+{-# LANGUAGE CPP #-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE Safe #-}
 
 
 {- |