diff --git a/pkgs/development/php-packages/phpstan/default.nix b/pkgs/development/php-packages/phpstan/default.nix
index 90486c8c3992..029d9f467763 100644
--- a/pkgs/development/php-packages/phpstan/default.nix
+++ b/pkgs/development/php-packages/phpstan/default.nix
@@ -1,14 +1,14 @@
 { mkDerivation, fetchurl, makeWrapper, lib, php }:
 let
   pname = "phpstan";
-  version = "0.12.90";
+  version = "0.12.99";
 in
 mkDerivation {
   inherit pname version;
 
   src = fetchurl {
     url = "https://github.com/phpstan/phpstan/releases/download/${version}/phpstan.phar";
-    sha256 = "0f8858w9b421s3dfz8a56g0mik4zyi1lp88lijw4zs2d94dcdl9s";
+    sha256 = "0rv8xf5yx88wh95myysqmv29n5rr15zgwsvh8a4xb1pmw3h9kb6q";
   };
 
   dontUnpack = true;