diff --git a/ansi-terminal-game.cabal b/ansi-terminal-game.cabal
--- a/ansi-terminal-game.cabal
+++ b/ansi-terminal-game.cabal
@@ -1,5 +1,5 @@
 name:                ansi-terminal-game
-version:             0.1.0.0
+version:             0.2.0.0
 synopsis:            sdl-like functions for terminal applications, based on
                      ansi-terminal
 description:         Library which aims to replicate standard 2d game
@@ -26,8 +26,7 @@
   default:           False
 
 library
-  exposed-modules:     Terminal.Game,
-                       Terminal.Game.Internal
+  exposed-modules:     Terminal.Game
   other-modules:       Terminal.Game.ANSI,
                        Terminal.Game.Plane,
                        Terminal.Game.Draw,
@@ -37,16 +36,15 @@
                        Terminal.Game.GameLoop
                        Terminal.Game.Utils
   build-depends:       base == 4.*,
-                       array,
-                       timers-tick,
-                       split,
-                       ansi-terminal,
-                       terminal-size,
-                       cereal,
-                       bytestring,
-                       clock,
-                       linebreak,
-                       split
+                       ansi-terminal == 0.8.*,
+                       array == 0.5.*,
+                       bytestring == 0.10.*,
+                       cereal == 0.5.*,
+                       clock == 0.7.*,
+                       linebreak == 1.0.*,
+                       split == 0.2.*,
+                       terminal-size == 0.3.*,
+                       timers-tick == 0.4.*
   hs-source-dirs:      src
   default-language:    Haskell2010
 
diff --git a/changes.txt b/changes.txt
--- a/changes.txt
+++ b/changes.txt
@@ -1,5 +1,13 @@
-# Revision history for ansi-terminal-game
+0.2.0.0
+-------
 
-## 0.1.0.0  -- YYYY-mm-dd
+- Added dependencies constraints.
+- Removed internal module.
+- Fixed changelog.
+- Released on Fri 16 Mar 2018 00:42:41 CET.
 
-* First version. Released on an unsuspecting world.
+0.1.0.0
+-------
+
+- Initial release.
+- Released on Fri 16 Mar 2018 00:33:18 CET.
diff --git a/src/Terminal/Game/Internal.hs b/src/Terminal/Game/Internal.hs
deleted file mode 100644
--- a/src/Terminal/Game/Internal.hs
+++ /dev/null
@@ -1,11 +0,0 @@
--------------------------------------------------------------------------------
--- Screen datatypes and functions
--- 2017 Francesco Ariis GPLv3
--------------------------------------------------------------------------------
-
-module Terminal.Game.Internal (module All) where
-
--- You should not need this module (as now, only useful for
--- serializing instances).
-
-import Terminal.Game.Plane as All ( Cell )