diff --git a/pkgs/development/php-packages/phan/default.nix b/pkgs/development/php-packages/phan/default.nix
index 21a08f670d63..18e33ed93875 100644
--- a/pkgs/development/php-packages/phan/default.nix
+++ b/pkgs/development/php-packages/phan/default.nix
@@ -2,21 +2,27 @@
   lib,
   fetchFromGitHub,
   php,
+  versionCheckHook,
 }:
 
-(php.withExtensions ({ enabled, all }: enabled ++ (with all; [ ast ]))).buildComposerProject
+(php.withExtensions ({ enabled, all }: enabled ++ (with all; [ ast ]))).buildComposerProject2
   (finalAttrs: {
     pname = "phan";
-    version = "5.5.1";
+    version = "6.0.0";
 
     src = fetchFromGitHub {
       owner = "phan";
       repo = "phan";
-      rev = finalAttrs.version;
-      hash = "sha256-G17ORkHmu6nkfJ8UrGzcaybPOKPrq1Q+LXVS56aVOZ8=";
+      tag = finalAttrs.version;
+      hash = "sha256-1qRGNDptiAdcGc1x+iLrxe9TjLGaL8EM8xuTOUNB+Ww=";
     };
 
-    vendorHash = "sha256-Ake5/7IyoweC2ONDuWt9jJSbG0JbnU9lmCRu2p6uUQM=";
+    vendorHash = "sha256-Ro5/lA72xVIkZyuRNix77Cpeyyj1GbW5J4DzjQMq0Rc=";
+
+    composerStrictValidation = false;
+    doInstallCheck = true;
+    nativeInstallCheckInputs = [ versionCheckHook ];
+    versionCheckProgramArg = "--version";
 
     meta = {
       description = "Static analyzer for PHP";