diff --git a/nix/sources.json b/nix/sources.json
index d969999..3147bf5 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "89ae775e9dfc2571f912156dd2f8627e14d4d507",
-        "sha256": "0ssw6byyn79fpyzswi28s5b85x66xh4xsfhmcfl5mkdxxpmyy0ns",
+        "rev": "20c899271f288d33114760bc298838575fc6c7f9",
+        "sha256": "07zswk6dhlydihl9g6skmy52grjvqpra8r98f2dmbgwzc1yhjhxq",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/89ae775e9dfc2571f912156dd2f8627e14d4d507.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/20c899271f288d33114760bc298838575fc6c7f9.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
@@ -29,10 +29,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "14006b724f3d1f25ecf38238ee723d38b0c2f4ce",
-        "sha256": "07hfbilyh818pigfn342v2r05n8061wpjaf1m4h291lf6ydjagis",
+        "rev": "d2f46002829c80756f19a36abd58a3a25f0cc202",
+        "sha256": "0b3vi7yz5zxjfbvi5x6xnskbyg76dzw4yljh51qsmhb63ijj60s5",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/14006b724f3d1f25ecf38238ee723d38b0c2f4ce.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/d2f46002829c80756f19a36abd58a3a25f0cc202.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }