diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 7c8718018cd1..ab38449dcd5d 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -4748,6 +4748,23 @@ let
         };
       };
 
+      xdebug.php-debug = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "php-debug";
+          publisher = "xdebug";
+          version = "1.34.0";
+          hash = "sha256-WAcXWCMmvuw7nkfGcOgmK+s+Nw6XpvNR4POXD85E/So=";
+        };
+        meta = {
+          description = "PHP Debug Adapter";
+          license = lib.licenses.mit;
+          homepage = "https://github.com/xdebug/vscode-php-debug";
+          changelog = "https://github.com/xdebug/vscode-php-debug/blob/main/CHANGELOG.md";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=xdebug.php-debug";
+          maintainers = [ lib.maintainers.onny ];
+        };
+      };
+
       xyz.local-history = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "local-history";