diff --git a/test/flake.lock b/test/flake.lock
index 48a02be..0ed5e47 100644
--- a/test/flake.lock
+++ b/test/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1709294055,
-        "narHash": "sha256-7EECkQYoNKJZOf2+miJdrMpxpvsn/qZFwIhUI3fQpLs=",
+        "lastModified": 1712090461,
+        "narHash": "sha256-PAfFp+YEKpkzwz6ruXQMvTa1puO4ySSu2G4Sp/jkCc8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ec869190b56a1b4677d24a8bdbcfe80ccea2ece6",
+        "rev": "e976fa8f49c35cf28496301a1ef2aa23ad576b56",
         "type": "github"
       },
       "original": {
diff --git a/test/nix/pkgs.nix b/test/nix/pkgs.nix
index d965edf..163a266 100644
--- a/test/nix/pkgs.nix
+++ b/test/nix/pkgs.nix
@@ -11,10 +11,6 @@
       overlays = [
         (self: super: lib.optionalAttrs super.stdenv.isDarwin {
 
-          # grafana is broken on aarch64-darwin, but works on older nixpkgs:
-          # https://github.com/NixOS/nixpkgs/issues/273998
-          grafana = (builtins.getFlake "github:nixos/nixpkgs/b604023e0a5549b65da3040a07d2beb29ac9fc63").legacyPackages.${system}.grafana;
-
           # Disable tests, because they are failing on darwin:
           # https://github.com/NixOS/nixpkgs/issues/281214
           pgadmin4 = super.pgadmin4.overrideAttrs (_: {