diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..3363fa3
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,25 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1615991631,
+        "narHash": "sha256-TEDPXYy9sVLyctW/OBqxhxlxPmvTwRqXBch0eexJm8Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f137bcd5c92906ae0f924769a95b8c8e6602f90b",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..08e18b9
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,25 @@
+{
+  description = "C3D2 Hydra projects";
+
+  outputs = { self, nixpkgs }: {
+    packages.x86_64-linux = {
+      jobsets =
+        nixpkgs.legacyPackages.x86_64-linux.writeText "jobsets.json" (builtins.toJSON ({
+          jobsets = {
+            type = 1;
+            enabled = 1;
+            hidden = false;
+            checkinterval = 300;
+            schedulingshares = 100;
+            enableemail = true;
+            emailoverride = "";
+            keepnr = 12;
+            flake = "git+https://gitea.c3d2.de/C3D2/hydra-config.git";
+          };
+            #inherit (import ./jobsets.nix { pkgs = nixpkgs.legacyPackages.x86_64-linux; }) jobsets;
+        }));
+    };
+
+    checks = {};
+  };
+}
diff --git a/jobsets.json b/jobsets.json
index 68c4638..71e18cd 100644
--- a/jobsets.json
+++ b/jobsets.json
@@ -2,16 +2,11 @@
     "enabled": 1,
     "hidden": true,
     "description": "Jobsets",
-    "nixexprinput": "hydra-config",
-    "nixexprpath": "jobsets.nix",
     "checkinterval": 300,
     "schedulingshares": 100,
     "enableemail": false,
     "emailoverride": "astro@spaceboyz.net",
     "keepnr": 10,
-    "inputs": {
-        "nixpkgs": { "type": "git", "value": "https://github.com/NixOS/nixpkgs.git release-20.03 1", "emailresponsible": false },
-        "hydra-config": { "type": "git", "value": "https://gitea.c3d2.de/C3D2/hydra-config.git master 1", "emailresponsible": false }
-    },
-    "type": 0
+    "flake": "git+https://gitea.c3d2.de/C3D2/hydra-config.git",
+    "type": 1
 }