diff --git a/flake.lock b/flake.lock
index bb7261f..af26285 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1631561581,
-        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1632266297,
-        "narHash": "sha256-J1yeJk6Gud9ef2pEf6aKQemrfg1pVngYDSh+SAY94xk=",
+        "lastModified": 1655042882,
+        "narHash": "sha256-9BX8Fuez5YJlN7cdPO63InoyBy7dm3VlJkkmTt6fS1A=",
         "owner": "nmattia",
         "repo": "naersk",
-        "rev": "ee7edec50b49ab6d69b06d62f1de554efccb1ccd",
+        "rev": "cddffb5aa211f50c4b8750adbec0bbbdfb26bb9f",
         "type": "github"
       },
       "original": {
@@ -37,16 +37,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1632408697,
-        "narHash": "sha256-JqTfu361AwFmV0WszXLAjfukqGxBbHRopRgdp9A2w8s=",
+        "lastModified": 1655200170,
+        "narHash": "sha256-/yzkX+10sJhYNIcTtZ5ObS+nh/HrJp01XLaubzbRDcU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a13824fe5e38187fbc75cd598b5c06bdcc13501f",
+        "rev": "9ff91ce2e4c5d70551d4c8fd8830931c6c6b26b8",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-20.09",
+        "ref": "nixos-22.05",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -69,11 +69,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1633400100,
-        "narHash": "sha256-kHQV7jZ2vVHVI9sfda1mUROVBbQbdfKcbIpKG9WdqGo=",
+        "lastModified": 1655261370,
+        "narHash": "sha256-AxKkHEuOgV/PyK+T6NOE4QyDHmZO+/XVyp0AtmrIoV0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "9c2fc6a62ccbc6f420d71ecac6bf0b84dbbee64f",
+        "rev": "d62021584e798dd9e169f543dd3f1296f5216d0c",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index ddf882a..b16ecf2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "tlater.net web server";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-20.09";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-22.05";
     flake-utils.url = "github:numtide/flake-utils";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";