diff --git a/flake.lock b/flake.lock
index 5077b6362..2ed178674 100644
--- a/flake.lock
+++ b/flake.lock
@@ -57,16 +57,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1731676054,
-        "narHash": "sha256-OZiZ3m8SCMfh3B6bfGC/Bm4x3qc1m2SVEAlkV6iY7Yg=",
+        "lastModified": 1731652201,
+        "narHash": "sha256-XUO0JKP1hlww0d7mm3kpmIr4hhtR4zicg5Wwes9cPMg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e4fbfb6b3de1aa2872b76d49fafc942626e2add",
+        "rev": "c21b77913ea840f8bcf9adf4c41cecc2abffd38d",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 0de9d285b..aebb30d00 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "CDK Flake";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
 
     rust-overlay = {
       url = "github:oxalica/rust-overlay";