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

index 02c9fb8eeb6171982fbffd12a456b68b46570137..748408ef696ff18e8c810df3e8a1ea7736bc63f8 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -89,10 +89,10 @@ "description": "Program to show and manipulate GPS tracks",

     "homepage": "https://github.com/BourgeoisLab/GPXLab",

     "owner": "BourgeoisLab",

     "repo": "GPXLab",

•    "rev": "68721865f5fd6a5b2414da47a00778d5c342a461",
  

•    "sha256": "07yrq852cayzrfcwgjzk7h8zp6vnk8639772dsnb4jiqgg8sns42",
  

•    "rev": "44755cf7d12c4342d24ee6204a09ad8d3e7cd994",
  

•    "sha256": "03cp8gx6d5bz645i9sp0vsy0fnhczw6a16bqgjkbjs3h9x2ls780",
  

     "type": "tarball",

•    "url": "https://github.com/BourgeoisLab/GPXLab/archive/68721865f5fd6a5b2414da47a00778d5c342a461.tar.gz",
  

•    "url": "https://github.com/BourgeoisLab/GPXLab/archive/44755cf7d12c4342d24ee6204a09ad8d3e7cd994.tar.gz",
  

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

 },

 "gpxpy": {