diff --git a/halma-gui.cabal b/halma-gui.cabal
--- a/halma-gui.cabal
+++ b/halma-gui.cabal
@@ -1,5 +1,5 @@
 name: halma-gui
-version: 0.1.1.0
+version: 0.1.1.1
 synopsis: GTK application for playing Halma
 description: Play Halma (aka Chinese Checkers) on your desktop against your friends or an AI
 homepage: https://github.com/timjb/halma
@@ -7,7 +7,7 @@
 license-file: LICENSE
 author: Tim Baumann
 maintainer: tim@timbaumann.info
-copyright: 2015-2017 Tim Baumann
+copyright: 2015-2019 Tim Baumann
 category: Game
 build-type: Simple
 cabal-version: >= 1.10
@@ -27,12 +27,12 @@
     halma >= 0.3.0.0,
     base >= 4.6 && < 5,
     diagrams-gtk >= 1.0.1.3 && < 1.5,
-    gtk >= 0.13.4 && < 0.15,
+    gtk >= 0.13.4 && < 0.16,
     mtl,
     diagrams-lib >= 1.3,
     diagrams-cairo,
     pipes >= 4.1.4 && < 4.4,
     mvc >= 1.0.3 && < 1.2,
-    async >= 2.0.2 && < 2.2,
+    async >= 2.0.2 && < 2.3,
     data-default,
-    timeit >= 1.0 && < 1.1
+    timeit >= 2.0 && < 2.1