diff --git a/flake.lock b/flake.lock
index aa0536c..938765a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,20 +2,20 @@
   "nodes": {
     "nixpkgs": {
       "info": {
-        "lastModified": 1590073427,
-        "narHash": "sha256-Il+Ae32CqU1Kqms33VzwDevfA9syYHXZuYpP5F5SRD4="
+        "lastModified": 1590234271,
+        "narHash": "sha256-4ue8WrJo/bgX9RzVFD7Yc/FCPAbxIwOkpdxNvvf2W3M=",
+        "revCount": 226153
       },
       "locked": {
-        "owner": "ehmry",
-        "repo": "nixpkgs",
-        "rev": "410471797ff726d5f7aaf77865658ab31249470b",
-        "type": "github"
+        "ref": "genode-unstable",
+        "rev": "36370577bd65bea3addd476267db410697fda370",
+        "type": "git",
+        "url": "file:///home/repo/nixpkgs"
       },
       "original": {
-        "owner": "ehmry",
         "ref": "genode-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "git",
+        "url": "file:///home/repo/nixpkgs"
       }
     },
     "root": {
diff --git a/flake.nix b/flake.nix
index 0192123..1424782 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,7 +5,7 @@
 
   description = "Genode packages";
 
-  inputs.nixpkgs.uri = "github:ehmry/nixpkgs/genode-unstable";
+  inputs.nixpkgs.uri = "git+file:///home/repo/nixpkgs?ref=genode-unstable";
 
   outputs = { self, nixpkgs }:
     let