diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012 - 2021, Jan Vornberger
+Copyright (c) 2012 - 2023, Jan Vornberger
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/watchdog.cabal b/watchdog.cabal
--- a/watchdog.cabal
+++ b/watchdog.cabal
@@ -1,7 +1,7 @@
 name:           watchdog
-version:        0.3.1
+version:        0.3.2
 author:         Jan Vornberger <jan@uos.de>
-copyright:      (c) 2012 - 2021 Jan Vornberger
+copyright:      (c) 2012 - 2023 Jan Vornberger
 maintainer:     Jan Vornberger <jan@uos.de>
 synopsis:       Simple control structure to re-try an action with exponential backoff
 description:    See Control.Watchdog for documentation.
@@ -19,7 +19,7 @@
 library
     build-depends: base >= 4.9 && < 5
                    , time >= 1.4 && < 1.13
-                   , mtl >= 2.1 && < 2.3
+                   , mtl >= 2.1 && < 2.4
     exposed-modules: Control.Watchdog
     ghc-options: -Wall
     default-language: Haskell98