diff --git a/flake.lock b/flake.lock
index f89ff183..992b79c9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -9,11 +9,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1723341746,
-        "narHash": "sha256-Fno8hMiipYxwoVtdXngZ9ORkYXVs2fvn6NeQl7qwtvE=",
+        "lastModified": 1724564442,
+        "narHash": "sha256-jypVDy8nziPjXnIfeyX93E7BfdxVWwbnojOPJou628s=",
         "owner": "Mic92",
         "repo": "buildbot-nix",
-        "rev": "ffd44eae5265cc2b89c390da33dc60e762d80a1f",
+        "rev": "685491fa1eed62439cf432a69d2600aaed48f103",
         "type": "github"
       },
       "original": {
@@ -124,11 +124,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1723603349,
-        "narHash": "sha256-VMg6N7MryOuvSJ8Sj6YydarnUCkL7cvMdrMcnsJnJCE=",
+        "lastModified": 1724395761,
+        "narHash": "sha256-zRkDV/nbrnp3Y8oCADf5ETl1sDrdmAW6/bBVJ8EbIdQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "daf7bb95821b789db24fc1ac21f613db0c1bf2cb",
+        "rev": "ae815cee91b417be55d43781eb4b73ae1ecc396c",
         "type": "github"
       },
       "original": {
@@ -166,11 +166,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1723202784,
-        "narHash": "sha256-qbhjc/NEGaDbyy0ucycubq4N3//gDFFH3DOmp1D3u1Q=",
+        "lastModified": 1724440431,
+        "narHash": "sha256-9etXEOUtzeMgqg1u0wp+EdwG7RpmrAZ2yX516bMj2aE=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "c7012d0c18567c889b948781bc74a501e92275d1",
+        "rev": "c8a54057aae480c56e28ef3e14e4960628ac495b",
         "type": "github"
       },
       "original": {
@@ -262,11 +262,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1722897572,
-        "narHash": "sha256-3m/iyyjCdRBF8xyehf59QlckIcmShyTesymSb+N4Ap4=",
+        "lastModified": 1723501126,
+        "narHash": "sha256-N9IcHgj/p1+2Pvk8P4Zc1bfrMwld5PcosVA0nL6IGdE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "8ae477955dfd9cbf5fa4eb82a8db8ddbb94e79d9",
+        "rev": "be0eec2d27563590194a9206f551a6f73d52fa34",
         "type": "github"
       },
       "original": {
@@ -298,11 +298,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1723303070,
-        "narHash": "sha256-krGNVA30yptyRonohQ+i9cnK+CfCpedg6z3qzqVJcTs=",
+        "lastModified": 1724338379,
+        "narHash": "sha256-kKJtaiU5Ou+e/0Qs7SICXF22DLx4V/WhG1P6+k4yeOE=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "14c092e0326de759e16b37535161b3cb9770cea3",
+        "rev": "070f834771efa715f3e74cd8ab93ecc96fabc951",
         "type": "github"
       },
       "original": {
diff --git a/infra/makemake/buildbot.nix b/infra/makemake/buildbot.nix
index 83a2ca61..e2b2e76e 100644
--- a/infra/makemake/buildbot.nix
+++ b/infra/makemake/buildbot.nix
@@ -23,8 +23,7 @@ in {
       cachix = {
         enable = true;
         name = "ngi";
-        # https://github.com/nix-community/buildbot-nix/pull/241
-        authTokenFile = config.sops.secrets."cachix".path;
+        auth.authToken.file = config.sops.secrets."cachix".path;
       };
     };