diff --git a/flake.lock b/flake.lock
index 09d4dc9..470e63c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -79,16 +79,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1779350018,
-        "narHash": "sha256-fHMrI2uuDNdQy0X6vgDdLoAHEMV4phk8OLtNMra7Vyk=",
+        "lastModified": 1779622335,
+        "narHash": "sha256-ViA62qtL5za7V3d5I8OA9q9JcFhsVAiL5jVHwEclWqk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "657e2fa0760e27167cdacb1ec5d84782be312013",
+        "rev": "705e9929918b43bd7b715dc0a878ac870449bb03",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable-small",
+        "ref": "nixos-26.05-small",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 698b71a..7ce87a2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,7 @@
       inputs.flake-compat.follows = "flake-compat";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05-small";
     blobs = {
       url = "gitlab:simple-nixos-mailserver/blobs";
       flake = false;