updated sources

Author: lammermann

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "b0ad17bce706449304b20fa1b81f7f6f0220f804",
-        "sha256": "0hcjqhxirbpcs3xjrydylv5yca8k8zd3a3rzsjdkzsj57jpr6hp0",
+        "rev": "55422d6f2618cd2195eeafa3f16ae63fde723c15",
+        "sha256": "1s6m41hhsydf3lw6ihksc904vcpyd5agwiqq8hb8plyqvsyn74ba",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/b0ad17bce706449304b20fa1b81f7f6f0220f804.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/55422d6f2618cd2195eeafa3f16ae63fde723c15.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5f5210aa20e343b7e35f40c033000db0ef80d7b9",
-        "sha256": "0yc83iqbzj1gd651x6p2wx7a76wfpifaq7jxz4srbinaglfwfb07",
+        "rev": "88cef159e47c0dc56f151593e044453a39a6e547",
+        "sha256": "08fvmcbgyilcwdz22cqnfcic2mvxdqq6nlg3l8a9gj2qp724v24i",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/5f5210aa20e343b7e35f40c033000db0ef80d7b9.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/88cef159e47c0dc56f151593e044453a39a6e547.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "rust-overlay": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "f889dc31ef97835834bdc3662394ebdb3c96b974",
-        "sha256": "0nbqzpr4ym1n6492481inzqjn6xdzwzkr2abxw7w4fzykmn7n7v7",
+        "rev": "8ec04f46f1edeeed3f870da62191745b93975da7",
+        "sha256": "0z04zcr08p9b9lbf350gpivii5s88vcy92rwdk63kma7l0ysnpjb",
         "type": "tarball",
-        "url": "https://github.com/oxalica/rust-overlay/archive/f889dc31ef97835834bdc3662394ebdb3c96b974.tar.gz",
+        "url": "https://github.com/oxalica/rust-overlay/archive/8ec04f46f1edeeed3f870da62191745b93975da7.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }