diff --git a/ChasingBottoms.cabal b/ChasingBottoms.cabal
--- a/ChasingBottoms.cabal
+++ b/ChasingBottoms.cabal
@@ -1,5 +1,5 @@
 name:               ChasingBottoms
-version:            1.3.1.8
+version:            1.3.1.9
 license:            MIT
 license-file:       LICENCE
 copyright:          Copyright (c) Nils Anders Danielsson 2004-2020.
@@ -128,7 +128,7 @@
                     GHC == 8.6.5,
                     GHC == 8.8.3,
                     GHC == 8.10.1
-cabal-version:      >= 1.9.2
+cabal-version:      >= 1.10
 build-type:         Simple
 
 source-repository head
@@ -148,11 +148,13 @@
 
     other-modules: Test.ChasingBottoms.IsType
 
+    default-language: Haskell2010
+
     build-depends: QuickCheck >= 2.10 && < 2.15,
                    mtl >= 2 && < 2.3,
                    base >= 4.2 && < 4.15,
                    containers >= 0.5 && < 0.7,
-                   random >= 1.0 && < 1.2,
+                   random >= 1.0 && < 1.3,
                    syb >= 0.1.0.2 && < 0.8
 
 test-suite ChasingBottomsTestSuite
@@ -179,10 +181,12 @@
                    Test.ChasingBottoms.TimeOut
                    Test.ChasingBottoms.TimeOut.Tests
 
+    default-language: Haskell2010
+
     build-depends: QuickCheck >= 2.10 && < 2.15,
                    mtl >= 2 && < 2.3,
                    base >= 4.2 && < 4.15,
                    containers >= 0.5 && < 0.7,
-                   random >= 1.0 && < 1.2,
+                   random >= 1.0 && < 1.3,
                    syb >= 0.1.0.2 && < 0.8,
                    array >= 0.3 && < 0.6
diff --git a/LICENCE b/LICENCE
--- a/LICENCE
+++ b/LICENCE
@@ -1,7 +1,7 @@
 I have chosen to distribute this library under the MIT/Expat licence:
 ---------------------------------------------------------------------
 
-Copyright (c) 2004-2018 Nils Anders Danielsson
+Copyright (c) 2004-2020 Nils Anders Danielsson
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the