diff --git a/nix/sources.json b/nix/sources.json
index 17ca8560..2059ea8b 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -113,10 +113,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "2dfae8e22fde5032419c3027964c406508332974",
-        "sha256": "0293j9wib78n5nspywrmd9qkvcqq2vcrclrryxqnaxvj3bs1c0vj",
+        "rev": "021d733ea3f87b8c9232020b4e606d08eaca160b",
+        "sha256": "13600nzrakvg2hsfg5yr7x0jp9m762nvjyddf07q60d3m7vx9jxy",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/2dfae8e22fde5032419c3027964c406508332974.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/021d733ea3f87b8c9232020b4e606d08eaca160b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "unstable": {
@@ -125,10 +125,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "e19054ab3cd5b7cc9a01d0efc71c8fe310541065",
-        "sha256": "0b92yhkj3pq58svyrx7jp0njhaykwr29079izqn6qs638v8zvhl2",
+        "rev": "a7f002ac41dd4127e811df8bc4edfbb034aa2861",
+        "sha256": "054sa6fc7i8biaz8yg51bi9yq1f2safayy1gqv3377am7aviq3wb",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/e19054ab3cd5b7cc9a01d0efc71c8fe310541065.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/a7f002ac41dd4127e811df8bc4edfbb034aa2861.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }