diff --git a/pkgs/applications/virtualization/nixpacks/default.nix b/pkgs/applications/virtualization/nixpacks/default.nix
index 497ba195e897..fef77cb6402d 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 = "0.12.2";
+  version = "0.12.3";
 
   src = fetchFromGitHub {
     owner = "railwayapp";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-l6QIP/GIm7QMWLjYQJ3yuT7mWriowcND32EUuiNfvNA=";
+    sha256 = "sha256-Hy2QRGuXSidUrJ7kb1AhkaLeaevhhleGE8QvnNZf/L0=";
   };
 
-  cargoSha256 = "sha256-t2kxpiSSYzg4MfjCyxkKNfPLTwGB8KgzQonFkLPCpvM=";
+  cargoSha256 = "sha256-5EJGUi74hrd3vifJ3r2vO0Qq2YEt0stXSi+RAGTme2I=";
 
   # skip test due FHS dependency
   doCheck = false;