Attempt to make dependencies use same version of nixpkgs as everywhere else

flake.lock

@@ -39,11 +39,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1625176478,
-        "narHash": "sha256-s1RTYNKw7ySyqrZjns9Cq+Nnjpp75ePgL06pgcbIpoA=",
+        "lastModified": 1683014792,
+        "narHash": "sha256-6Va9iVtmmsw4raBc3QKvQT2KT/NGRWlvUlJj46zN8B8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "21b696caf392ad6fa513caf3327d0aa0430ffb72",
+        "rev": "1a411f23ba299db155a5b45d5e145b85a7aafc42",
         "type": "github"
       },
       "original": {
@@ -55,16 +55,18 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1682109806,
-        "narHash": "sha256-d9g7RKNShMLboTWwukM+RObDWWpHKaqTYXB48clBWXI=",
+        "lastModified": 1683014792,
+        "narHash": "sha256-6Va9iVtmmsw4raBc3QKvQT2KT/NGRWlvUlJj46zN8B8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2362848adf8def2866fabbffc50462e929d7fffb",
+        "rev": "1a411f23ba299db155a5b45d5e145b85a7aafc42",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "root": {
@@ -89,13 +91,31 @@
         "type": "github"
       }
     },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "utils": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1623875721,
-        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
         "type": "github"
       },
       "original": {

flake.nix

@@ -1,7 +1,9 @@
 {
-  inputs = {
-    mvn2nix.url = "github:fzakaria/mvn2nix";
+  inputs = rec {
+    nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
     flake-utils.url = "github:numtide/flake-utils";
+    mvn2nix.url = "github:fzakaria/mvn2nix";
+    mvn2nix.inputs = { inherit nixpkgs; utils = flake-utils; };
   };
 
   outputs = { nixpkgs, mvn2nix, flake-utils, ... }: