diff --git a/.gitignore b/.gitignore
index 0df715f..9088219 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,6 @@
 .cabal-sandbox
 *.trace
 cabal.sandbox.config
-deps/hsSDL2*
 deps/*.deb
 dist/*
 *.swp
diff --git a/Pioneers.cabal b/Pioneers.cabal
index bf7c426..eb66fde 100644
--- a/Pioneers.cabal
+++ b/Pioneers.cabal
@@ -25,7 +25,7 @@ executable Pioneers
                    UI.Callbacks,
                    Types
   main-is:         Main.hs
-  build-depends:   
+  build-depends:
                    base >=4.6,
                    OpenGL >=2.9,
                    bytestring >=0.10,
@@ -42,11 +42,21 @@ executable Pioneers
                    distributive >=0.3.2,
                    linear >=1.3.1, 
                    lens >=4.0,
-                   SDL2 >= 0.1.0,
+                   sdl2,
+                   sdl2-ttf,
+                   sdl2-image,
+                   sdl2-mixer,
                    time >=1.4.0,
                    GLUtil >= 0.7,
                    attoparsec >= 0.11.2,
                    attoparsec-binary >= 0.1
+  extra-libraries:
+                   GL,
+                   GLU,
+                   SDL2,
+                   SDL2_ttf,
+                   SDL2_image,
+                   SDL2_mixer
   Default-Language: Haskell2010
 
 test-suite MapTests
@@ -69,7 +79,10 @@ test-suite MapTests
                      distributive >=0.3.2,
                      linear >=1.3.1,
                      lens >=4.0,
-                     SDL2 >= 0.1.0,
+                     sdl2,
+                     sdl2-ttf,
+                     sdl2-image,
+                     sdl2-mixer,
                      time >=1.4.0,
                      GLUtil >= 0.7,
                      attoparsec >= 0.11.2,
@@ -78,4 +91,11 @@ test-suite MapTests
                      test-framework,
                      test-framework-th,
                      test-framework-quickcheck2
+  extra-libraries:
+                     GL,
+                     GLU,
+                     SDL2,
+                     SDL2_ttf,
+                     SDL2_image,
+                     SDL2_mixer
   Default-Language: Haskell2010
diff --git a/build.sh b/build.sh
index 41dc8ae..dedaaf2 100755
--- a/build.sh
+++ b/build.sh
@@ -2,4 +2,5 @@
 set -e
 
 cabal v2-update
-cabal v2-build
+NIX_LD_LIBRARY_PATH="$NIX_LD_LIBRARY_PATH:/usr/lib/x86_64-linux-gnu:/lib/x86_64-linux-gnu" \
+  cabal v2-build
diff --git a/cabal.project b/cabal.project
index e0d153e..7a82548 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,17 +1,10 @@
 packages: .
 
-source-repository-package
-  type: git
-  location: https://github.com/Lemmih/hsSDL2
-
-source-repository-package
-  type: git
-  location: https://github.com/osa1/hsSDL2-ttf
-
-source-repository-package
-  type: git
-  location: https://github.com/jdeseno/hs-sdl2-mixer
-
-source-repository-package
-  type: git
-  location: https://github.com/jdeseno/hs-sdl2-image
+-- Allow building even when dependencies require versions newer than what is
+-- declared, so that cabal gives clearer error messages when resolving
+-- dependencies.
+allow-newer: all
+
+package *
+  extra-lib-dirs: /usr/lib/x86_64-linux-gnu /lib/x86_64-linux-gnu
+  extra-include-dirs: /usr/include
diff --git a/src/Main.hs b/src/Main.hs
index 5eb376f..e23252a 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -26,7 +26,7 @@ import           Foreign.Marshal.Array                (pokeArray)
 import           Foreign.Marshal.Alloc                (allocaBytes)
 
 -- GUI
-import qualified Graphics.UI.SDL                      as SDL
+import qualified SDL
 
 -- Render
 import qualified Graphics.Rendering.OpenGL.GL         as GL
diff --git a/src/Render/Misc.hs b/src/Render/Misc.hs
index c9519d0..a00d557 100644
--- a/src/Render/Misc.hs
+++ b/src/Render/Misc.hs
@@ -12,7 +12,7 @@ import           Graphics.Rendering.OpenGL.GL.VertexArrayObjects
 import           Graphics.Rendering.OpenGL.GL.VertexArrays
 import           Graphics.Rendering.OpenGL.GL.VertexSpec
 import           Graphics.Rendering.OpenGL.GL.BufferObjects
-import           Graphics.UI.SDL.Types                      (Texture)
+import           SDL                                         (Texture)
 import           System.IO                                  (hPutStrLn, stderr)
 import Linear
 import Foreign.C (CFloat, CUChar)
diff --git a/src/Types.hs b/src/Types.hs
index 1f08008..6cec089 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -3,7 +3,7 @@ module Types where
 
 import           Control.Concurrent.STM               (TQueue, TVar, readTVar, writeTVar, atomically)
 import qualified Graphics.Rendering.OpenGL.GL         as GL
-import           Graphics.UI.SDL                      as SDL (Event, Window)
+import           SDL                                  (Event, Window)
 import           Foreign.C                            (CFloat)
 import qualified Data.HashMap.Strict                  as Map
 import           Data.Time                            (UTCTime)
diff --git a/src/UI/Callbacks.hs b/src/UI/Callbacks.hs
index bb60306..1521cb8 100644
--- a/src/UI/Callbacks.hs
+++ b/src/UI/Callbacks.hs
@@ -12,7 +12,7 @@ import qualified Data.HashMap.Strict                  as Map
 import           Data.Maybe
 import           Foreign.Marshal.Array                (pokeArray)
 import           Foreign.Marshal.Alloc                (allocaBytes)
-import qualified Graphics.UI.SDL                      as SDL
+import qualified SDL
 import           Control.Concurrent.STM.TVar          (readTVar, writeTVar)
 import           Control.Concurrent.STM               (atomically)
 
diff --git a/src/UI/GUIOverlay.hs b/src/UI/GUIOverlay.hs
index f69ddd1..564fa1f 100644
--- a/src/UI/GUIOverlay.hs
+++ b/src/UI/GUIOverlay.hs
@@ -1,10 +1,7 @@
 module UI.GUIOverlay where
 
 import Data.Int
-import Graphics.UI.SDL.Surface
-import Graphics.UI.SDL.Color
-import Graphics.UI.SDL.Rect
-import Graphics.UI.SDL.Types
+import SDL
 import UI.UITypes
 
 --createRGBSurface :: Int32 -> Int32 -> Int32 -> Word32 -> Word32 -> Word32 -> Word32 -> IO Surface