diff --git a/flake.lock b/flake.lock
index 098bbea..43400a5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1684754342,
-        "narHash": "sha256-plGnjnbnPLoZCTdQX21oT7xliQhFtgcWlkuDHgtEb1o=",
+        "lastModified": 1688109178,
+        "narHash": "sha256-BSdeYp331G4b1yc7GIRgAnfUyaktW2nl7k0C577Tttk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7084250df3d7f9735087d3234407f3c1fc2400e3",
+        "rev": "b72aa95f7f096382bff3aea5f8fde645bca07422",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-unstable",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index d43d833..1b42b2d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
 
   inputs = {
     nixpkgs = {
-      url = "nixpkgs/nixos-unstable";
+      url = "nixpkgs/nixos-23.05";
     };
   };
 
@@ -46,8 +46,8 @@
         healthchecks =
           let
             pname = "healthchecks";
-            version = "2.8.1";
-            hash = "sha256-lJ0AZJpznet2YKPIyMOx5ZdETZB8de5vp7sydfndxZg=";
+            version = "2.10";
+            hash = "sha256-1x+pYMHaKgLFWcL1axOv/ok1ebs0I7Q+Q6htncmgJzU=";
             localSettings = pkgs.writeText "local_settings.py" ''
               import os
               STATIC_ROOT = os.getenv("STATIC_ROOT")