diff --git a/pkgs/applications/virtualization/nixpacks/default.nix b/pkgs/applications/virtualization/nixpacks/default.nix
index c8ca4b8d20ee..97ad009bb80d 100644
--- a/pkgs/applications/virtualization/nixpacks/default.nix
+++ b/pkgs/applications/virtualization/nixpacks/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "nixpacks";
-  version = "1.20.0";
+  version = "1.21.0";
 
   src = fetchFromGitHub {
     owner = "railwayapp";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-EaJYuapTWzVD80UyhzjP1q1SCCNmUozf+hUl4wBgC14=";
+    sha256 = "sha256-S7Kgp1KNp8GTGp+Go7pUdRJTZLxFsOYfmgcaRBQfeHA=";
   };
 
-  cargoHash = "sha256-Vh5mdxxROVthDUzK+PRhl9AY5jcmvhEXP5UqOeqOm6o=";
+  cargoHash = "sha256-5Q5ZUSPI+BQj/2nIx6RsshJQPPoZO4EX07b1rzvXlyU=";
 
   # skip test due FHS dependency
   doCheck = false;