diff --git a/flake.lock b/flake.lock
index 3be1860..11de3e3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1631561581,
-        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "lastModified": 1638122382,
+        "narHash": "sha256-sQzZzAbvKEqN9s0bzWuYmRaA03v40gaJ4+iL1LXjaeI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "rev": "74f7e4319258e287b0f9cb95426c9853b282730b",
         "type": "github"
       },
       "original": {
@@ -38,11 +38,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1632990363,
-        "narHash": "sha256-SNqz+9Vt4yDHqw8u/CMFdzMQTulKoMlVGJdshfcb5O0=",
+        "lastModified": 1639240632,
+        "narHash": "sha256-BAXhgnPOW1COIfZ9EOOFTdolalYS73MFHSRajgrSdZw=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "0a8b8054c9920368a3c15e6d766188fdf04b736f",
+        "rev": "2a7063461c3751d83869a2a0a8ebc59e34bec5b2",
         "type": "github"
       },
       "original": {
@@ -54,16 +54,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1633267966,
-        "narHash": "sha256-gFKvZ5AmV/dDTKXVxacPbXe4R0BsFpwtVaQxuIm2nnk=",
+        "lastModified": 1639161226,
+        "narHash": "sha256-75Y08ynJDTq6HHGIF+8IADBJSVip0UyWQH7jqSFnRR8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "7daf35532d2d8bf5e6f7f962e6cd13a66d01a71d",
+        "rev": "573095944e7c1d58d30fc679c81af63668b54056",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-21.05",
+        "ref": "nixos-21.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index a7b1ef7..8a0025f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "tlater.net host configuration";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-21.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-21.11";
     nixos-hardware.url = "github:nixos/nixos-hardware/master";
     flake-utils.url = "github:numtide/flake-utils";
     tlaternet-webserver = {