diff --git a/pkgs/development/php-packages/xdebug/default.nix b/pkgs/development/php-packages/xdebug/default.nix
index 61e83d918765..3aa24ce15e43 100644
--- a/pkgs/development/php-packages/xdebug/default.nix
+++ b/pkgs/development/php-packages/xdebug/default.nix
@@ -1,7 +1,7 @@
 { buildPecl, lib, fetchFromGitHub }:
 
 let
-  version = "3.2.2";
+  version = "3.3.0alpha3";
 in buildPecl {
   inherit version;
 
@@ -11,7 +11,7 @@ in buildPecl {
     owner = "xdebug";
     repo = "xdebug";
     rev = version;
-    hash = "sha256-zbgJw2oPzyUTK0UwLAqpShBi+toVsEQcjoG4tIBder0=";
+    hash = "sha256-LBrKQCR4qpV3yJpTknUNKX6mq+qSdBSveIoYmk5Vmoc=";
   };
 
   doCheck = true;