diff --git a/nix/sources.json b/nix/sources.json

index 13794591bf8f2e87039b26b909dd929fde5220d1..3cadca145de64d915d93bddd728fc6a0ccaa2b2f 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -185,10 +185,10 @@ "description": "OpenOrienteering Mapper is a software for creating maps for the orienteering sport.",

     "homepage": "https://www.openorienteering.org/apps/mapper/",

     "owner": "OpenOrienteering",

     "repo": "mapper",

•    "rev": "3c943cf1e11fe3b0268d2aea7b5365ffc1811bfa",
  

•    "sha256": "1ndwwp3vhm83z9xmq7k9w3l61rkc7g150ljw5r3y71bf594h5d14",
  

•    "rev": "9ff0368ca9548da52c6ac7f04c087ef4dcb3a1e3",
  

•    "sha256": "1ij0b1yzmvmdmmf86yhjfwbr2q9xk23q2jvvd5b4cdclm5ri2v91",
  

     "type": "tarball",

•    "url": "https://github.com/OpenOrienteering/mapper/archive/3c943cf1e11fe3b0268d2aea7b5365ffc1811bfa.tar.gz",
  

•    "url": "https://github.com/OpenOrienteering/mapper/archive/9ff0368ca9548da52c6ac7f04c087ef4dcb3a1e3.tar.gz",
  

     "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

 },

 "mbtileserver": {