diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index ec3e3c634fb2..6334217f7458 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -211,6 +211,11 @@ let
         url = "https://github.com/qtwebkit/qtwebkit/commit/5c272a21e621a66862821d3ae680f27edcc64c19.patch";
         sha256 = "9hjqLyABz372QDgoq7nXXXQ/3OXBGcYN1/92ekcC3WE=";
       })
+      (fetchpatch {
+        name = "qtwebkit-libxml2-api-change.patch";
+        url = "https://github.com/WebKit/WebKit/commit/1bad176b2496579d760852c80cff3ad9fb7c3a4b.patch";
+        sha256 = "WZEj+UuKhgJBM7auhND3uddk1wWdTY728jtiWVe7CSI=";
+      })
       ./qtwebkit.patch
       ./qtwebkit-icu68.patch
       ./qtwebkit-cstdint.patch