diff --git a/flake.lock b/flake.lock
index 2f0b18c..606bf12 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,20 +1,18 @@
 {
   "nodes": {
     "nixpkgs": {
-      "info": {
-        "lastModified": 1590234271,
-        "narHash": "sha256-4ue8WrJo/bgX9RzVFD7Yc/FCPAbxIwOkpdxNvvf2W3M="
-      },
       "locked": {
+        "lastModified": 1597134609,
+        "narHash": "sha256-hzF9zvnR2WSPcpiWuvdiPXMvqhHP/Rnno6hMhJm59RI=",
         "owner": "ehmry",
         "repo": "nixpkgs",
-        "rev": "36370577bd65bea3addd476267db410697fda370",
+        "rev": "de1c8a039fb0f2564526633ddfe9498354a5154b",
         "type": "github"
       },
       "original": {
         "owner": "ehmry",
-        "ref": "genode",
         "repo": "nixpkgs",
+        "rev": "de1c8a039fb0f2564526633ddfe9498354a5154b",
         "type": "github"
       }
     },
@@ -25,5 +23,5 @@
     }
   },
   "root": "root",
-  "version": 5
+  "version": 7
 }
diff --git a/flake.nix b/flake.nix
index e998aed..7a5a6cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,11 +1,10 @@
 # SPDX-License-Identifier: CC0-1.0
 
 {
-  edition = 201909;
-
   description = "Genode packages";
 
-  inputs.nixpkgs.url = "github:ehmry/nixpkgs/genode";
+  inputs.nixpkgs.url =
+    "github:ehmry/nixpkgs/de1c8a039fb0f2564526633ddfe9498354a5154b";
 
   outputs = { self, nixpkgs }:
     let