diff --git a/dav b/dav
index 1ddd773..00cf16c 160000
--- a/dav
+++ b/dav
@@ -1 +1 @@
-Subproject commit 1ddd7733a3dbec1880f695e979e9272dfb0795aa
+Subproject commit 00cf16c6553bf09e914d0b0aa1c3e2d08533d326
diff --git a/flake.lock b/flake.lock
index 94c8eec..3ace795 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1669867399,
-        "narHash": "sha256-Z8RXSFYOsIsTG96ROKtV0eZ8Q7u4irFWm6ELqfw7mT8=",
+        "lastModified": 1674407282,
+        "narHash": "sha256-2qwc8mrPINSFdWffPK+ji6nQ9aGnnZyHSItVcYDZDlk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "38e591dd05ffc8bdf79dc752ba78b05e370416fa",
+        "rev": "ab1254087f4cdf4af74b552d7fc95175d9bdbb49",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "nixos-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 0d45549..291a3ee 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,5 @@
 {
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
 
   outputs = { self, nixpkgs }:
     let