diff --git a/pkgs/development/php-packages/xdebug/default.nix b/pkgs/development/php-packages/xdebug/default.nix
index 6b0b939a7d04..1bb8ddde7164 100644
--- a/pkgs/development/php-packages/xdebug/default.nix
+++ b/pkgs/development/php-packages/xdebug/default.nix
@@ -5,7 +5,7 @@
 }:
 
 let
-  version = "3.4.1";
+  version = "3.4.2";
 in
 buildPecl {
   inherit version;
@@ -16,7 +16,7 @@ buildPecl {
     owner = "xdebug";
     repo = "xdebug";
     rev = version;
-    hash = "sha256-yOqVS58bsFXGhdkQ20LK0E80bV7O2r/BE76CfBoeEqA=";
+    hash = "sha256-LTM2c9DC837y0t4S3m9292x37q4tXg1Poh2dm0KAyJc=";
   };
 
   doCheck = true;