Update dependencies

Author: nmattia

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "2ecfd86b631714b457e56d70dd83fa60435baeb6",
-        "sha256": "01j6727cws8blg1npp54b4w6xa0gpgyzhyws2vqgp8clnlnmqqhi",
+        "rev": "5fc9a36c9750593fb1cb906ecff2699c7ec2413c",
+        "sha256": "0fhpjwwdd5m1ml09sr2z4pgvqqcqhbr4qa8ayfidcyjb8n3mlhpq",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/2ecfd86b631714b457e56d70dd83fa60435baeb6.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/5fc9a36c9750593fb1cb906ecff2699c7ec2413c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
@@ -17,10 +17,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "c8db7a8a16ee9d54103cade6e766509e1d1c8d7b",
-        "sha256": "1b3h4mwpi10blzpvgsc0191k4shaw3nw0qd2p82hygbr8vv4g9dv",
+        "rev": "34c7eb7545d155cc5b6f499b23a7cb1c96ab4d59",
+        "sha256": "11z6ajj108fy2q5g8y4higlcaqncrbjm3dnv17pvif6avagw4mcb",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/c8db7a8a16ee9d54103cade6e766509e1d1c8d7b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/34c7eb7545d155cc5b6f499b23a7cb1c96ab4d59.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }