diff --git a/pkgs/development/php-packages/xdebug/default.nix b/pkgs/development/php-packages/xdebug/default.nix
index 56fff995095e..cd340771376e 100644
--- a/pkgs/development/php-packages/xdebug/default.nix
+++ b/pkgs/development/php-packages/xdebug/default.nix
@@ -6,7 +6,7 @@
 }:
 
 let
-  version = "3.3.2";
+  version = "3.4.0";
 in
 buildPecl {
   inherit version;
@@ -17,7 +17,7 @@ buildPecl {
     owner = "xdebug";
     repo = "xdebug";
     rev = version;
-    hash = "sha256-3Hj/6pFLwJkVfsUIkX9lP8cOa1cVjobqHZd/cnH0TaU=";
+    hash = "sha256-Gt6/ARrUzmsAhsdkKPNiX0CBmWTv7D3mHnxvvWjbLnE=";
   };
 
   doCheck = true;