diff --git a/configuration.nix b/configuration.nix
index aab4cc9..5ebc1f5 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -23,8 +23,8 @@
   system.stateVersion = "23.05";
 
   nixpkgs.source = builtins.fetchTarball
-    { url = "https://github.com/NixOS/nixpkgs/archive/3f0a8ac25fb6.tar.gz";
-      sha256 = "10i7fllqjzq171afzhdf2d9r1pk9irvmq5n55h92rc47vlaabvr4";
+    { url = "https://github.com/NixOS/nixpkgs/archive/5ef6c4259808.tar.gz";
+      sha256 = "11r8w8p36183cvk8vjg9w8mghgj4spwpb5n6jw31g3vzi0c2ykc7";
     };
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
diff --git a/packages.nix b/packages.nix
index 177933b..16e805a 100644
--- a/packages.nix
+++ b/packages.nix
@@ -27,7 +27,7 @@
     # admin
     dnsutils
     matrix-synapse
-    matrix-synapse-tools.synadm
+    synadm
     maxwell-notify
     smartmontools