diff --git a/GPL b/GPL
deleted file mode 100644
index 94a9ed0..0000000
--- a/GPL
+++ /dev/null
@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..769eb3f
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
diff --git a/Utility/Applicative.hs b/Utility/Applicative.hs
index 64400c8..fd8944b 100644
--- a/Utility/Applicative.hs
+++ b/Utility/Applicative.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.Applicative where
diff --git a/Utility/Data.hs b/Utility/Data.hs
index 3592582..2df12b3 100644
--- a/Utility/Data.hs
+++ b/Utility/Data.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2013 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.Data where
diff --git a/Utility/Directory.hs b/Utility/Directory.hs
index c2a5071..d92327c 100644
--- a/Utility/Directory.hs
+++ b/Utility/Directory.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2011-2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/Env.hs b/Utility/Env.hs
index 90ed58f..6763c24 100644
--- a/Utility/Env.hs
+++ b/Utility/Env.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2013 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/Exception.hs b/Utility/Exception.hs
index 6f3c059..1fecf65 100644
--- a/Utility/Exception.hs
+++ b/Utility/Exception.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2011-2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE ScopedTypeVariables #-}
diff --git a/Utility/FileMode.hs b/Utility/FileMode.hs
index 9c15da8..c2ef683 100644
--- a/Utility/FileMode.hs
+++ b/Utility/FileMode.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/FileSystemEncoding.hs b/Utility/FileSystemEncoding.hs
index 690942c..b81fdc5 100644
--- a/Utility/FileSystemEncoding.hs
+++ b/Utility/FileSystemEncoding.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2012-2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/LinuxMkLibs.hs b/Utility/LinuxMkLibs.hs
index f4744fc..1dc4e1e 100644
--- a/Utility/LinuxMkLibs.hs
+++ b/Utility/LinuxMkLibs.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2013 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.LinuxMkLibs where
diff --git a/Utility/Misc.hs b/Utility/Misc.hs
index 9c19df8..949f41e 100644
--- a/Utility/Misc.hs
+++ b/Utility/Misc.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2011 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/Monad.hs b/Utility/Monad.hs
index 1ba43c5..eba3c42 100644
--- a/Utility/Monad.hs
+++ b/Utility/Monad.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.Monad where
diff --git a/Utility/Path.hs b/Utility/Path.hs
index 570350d..99c9438 100644
--- a/Utility/Path.hs
+++ b/Utility/Path.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE PackageImports, CPP #-}
diff --git a/Utility/PosixFiles.hs b/Utility/PosixFiles.hs
index 23edc25..5abbb57 100644
--- a/Utility/PosixFiles.hs
+++ b/Utility/PosixFiles.hs
@@ -4,7 +4,7 @@
  -
  - Copyright 2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/Process.hs b/Utility/Process.hs
index 3f93dc2..549ae57 100644
--- a/Utility/Process.hs
+++ b/Utility/Process.hs
@@ -3,7 +3,7 @@
  -
  - Copyright 2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP, Rank2Types #-}
diff --git a/Utility/QuickCheck.hs b/Utility/QuickCheck.hs
index 7f7234c..a498ee6 100644
--- a/Utility/QuickCheck.hs
+++ b/Utility/QuickCheck.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2012-2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# OPTIONS_GHC -fno-warn-orphans #-}
diff --git a/Utility/SafeCommand.hs b/Utility/SafeCommand.hs
index c8318ec..04fcf39 100644
--- a/Utility/SafeCommand.hs
+++ b/Utility/SafeCommand.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2013 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.SafeCommand where
diff --git a/Utility/Scheduled.hs b/Utility/Scheduled.hs
index d3ae062..305410c 100644
--- a/Utility/Scheduled.hs
+++ b/Utility/Scheduled.hs
@@ -2,7 +2,7 @@
  - 
  - Copyright 2013-2014 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 module Utility.Scheduled (
diff --git a/Utility/ThreadScheduler.hs b/Utility/ThreadScheduler.hs
index dd88dc8..fc026d7 100644
--- a/Utility/ThreadScheduler.hs
+++ b/Utility/ThreadScheduler.hs
@@ -3,7 +3,7 @@
  - Copyright 2012, 2013 Joey Hess <joey@kitenet.net>
  - Copyright 2011 Bas van Dijk & Roel van Dijk
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/Tmp.hs b/Utility/Tmp.hs
index f46e1a5..0dc9f2c 100644
--- a/Utility/Tmp.hs
+++ b/Utility/Tmp.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2010-2013 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/Utility/UserInfo.hs b/Utility/UserInfo.hs
index 9c3bfd4..617c3e9 100644
--- a/Utility/UserInfo.hs
+++ b/Utility/UserInfo.hs
@@ -2,7 +2,7 @@
  -
  - Copyright 2012 Joey Hess <joey@kitenet.net>
  -
- - Licensed under the GNU GPL version 3 or higher.
+ - License: BSD-2-clause
  -}
 
 {-# LANGUAGE CPP #-}
diff --git a/debian/changelog b/debian/changelog
index 8579097..7a06e2f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+propellor (0.5.2) UNRELEASED; urgency=medium
+
+  * Licence changed from GPL to BSD.
+
+ -- Joey Hess <joeyh@debian.org>  Sat, 10 May 2014 11:05:19 -0300
+
 propellor (0.5.1) unstable; urgency=medium
 
   * Primary DNS servers now have allow-transfer automatically populated
diff --git a/debian/copyright b/debian/copyright
index 690a9af..3bdd010 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -3,9 +3,26 @@ Source: native package
 
 Files: *
 Copyright: © 2010-2014 Joey Hess <joey@kitenet.net>
-License: GPL-3+
+License: BSD-2-clause
 
-License: GPL-3+
- The full text of version 3 of the GPL is distributed as GPL in
- this package's source, or in /usr/share/common-licenses/GPL-3 on
- Debian systems.
+License: BSD-2-clause
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ .
+ THIS SOFTWARE IS PROVIDED BY AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
diff --git a/debian/lintian-overrides b/debian/lintian-overrides
index 9071fe0..a5cccca 100644
--- a/debian/lintian-overrides
+++ b/debian/lintian-overrides
@@ -1,3 +1,2 @@
 # These files are used in a git repository that propellor sets up.
 propellor: package-contains-vcs-control-file usr/src/propellor/.gitignore
-propellor: extra-license-file usr/src/propellor/GPL
diff --git a/doc/index.mdwn b/doc/index.mdwn
index f0e0bef..5311baf 100644
--- a/doc/index.mdwn
+++ b/doc/index.mdwn
@@ -24,7 +24,7 @@ hosts :: [Host]        --   *             \ | |              '--------'
 hosts =               --                  (o)  `
 </pre>
 
-Propellor is free software, licensed under the terms of the GNU GPL 3.
+Propellor is free software, licensed under the BSD license.
 
 ## news
 
diff --git a/propellor.cabal b/propellor.cabal
index f659fa5..507a0d4 100644
--- a/propellor.cabal
+++ b/propellor.cabal
@@ -1,12 +1,12 @@
 Name: propellor
 Version: 0.5.1
 Cabal-Version: >= 1.6
-License: GPL
+License: BSD
 Maintainer: Joey Hess <joey@kitenet.net>
 Author: Joey Hess
 Stability: Stable
 Copyright: 2014 Joey Hess
-License-File: GPL
+License-File: LICENSE
 Build-Type: Simple
 Homepage: https://propellor.branchable.com/
 Category: Utility