diff --git a/nixos/modules/tests/get-passes.py b/nixos/modules/tests/get-passes.py
index 691a3d26f37125379df85c85481cfdac67741d07..63b59e5700e0fa0c659f04df8fa889a0501f125f 100755
--- a/nixos/modules/tests/get-passes.py
+++ b/nixos/modules/tests/get-passes.py
@@ -95,7 +95,7 @@ def charge_json(voucher):
     return {
         "token": "tok_abcdef",
         "voucher": voucher,
-        "amount": "100",
+        "amount": "650",
         "currency": "USD",
     }
 
diff --git a/nixpkgs.json b/nixpkgs.json
index a13edba683061306533106d1f2d1e5c6eacaadba..33b343ef3498ae226218f59be257e808e9a88c7e 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,4 +1,4 @@
 { "name": "nixpkgs"
-, "url": "https://github.com/PrivateStorageio/nixpkgs/archive/d7c46f46c3e6acfcde44bb05877fd5c9f07dfe1b.tar.gz"
-, "sha256": "1vddxhp3ljaq9qqzbpjp2kx34ps7nzbsn4zy31x0748a52rlsh0q"
+, "url": "https://github.com/PrivateStorageio/nixpkgs/archive/8c7a61c658e32eaccf666e5fe818a996c36a988f.tar.gz"
+, "sha256": "1ln0a8c20qykm57wl901lixny1fcfmzgbavd7pbjk6jbnfij59bl"
 }