diff --git a/Cargo.toml b/Cargo.toml
index fb65645..ec3a2a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,9 @@ name = "mxadm"
 version = "0.1.0"
 authors = ["Jez Cope <j.cope@erambler.co.uk>"]
 edition = "2018"
+license = "GPL-3.0-or-later"
+repository = "https://tildegit.org/petrichor/mxadm"
+readme = "README.md"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/README.md b/README.md
index e4d6ed2..ab5e8ea 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,6 @@
 
 TODO: intro
 
-TODO: license
-
 TODO: policy on maintenance and contributions
 
 ## TODO
@@ -20,3 +18,19 @@ TODO: policy on maintenance and contributions
 - [ ] Upgrade room
 - [ ] Make it easier to script workflows like "configure ACL permissions -> invite mjolnir -> op mjolnir" in multiple rooms
 
+## License
+ 
+Copyright (C) 2021 Jez Cope
+
+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 <https://www.gnu.org/licenses/>.