diff --git a/pkgs/development/libraries/qt-5/5.12/default.nix b/pkgs/development/libraries/qt-5/5.12/default.nix
index fcceb6d6cf2..329ddd17162 100644
--- a/pkgs/development/libraries/qt-5/5.12/default.nix
+++ b/pkgs/development/libraries/qt-5/5.12/default.nix
@@ -97,6 +97,15 @@ let
         url = "https://git.archlinux.org/svntogit/packages.git/plain/trunk/qtbug-77037-workaround.patch?h=packages/qt5-webengine&id=fc77d6b3d5ec74e421b58f199efceb2593cbf951";
         sha256 = "1gv733qfdn9746nbqqxzyjx4ijjqkkb7zb71nxax49nna5bri3am";
       })
+
+      # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
+      (fetchpatch {
+        name = "qtwebengine-bison-3.7-build.patch";
+        url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
+        sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
+        stripLen = 1;
+        extraPrefix = "src/3rdparty/";
+      })
     ] ++ optionals stdenv.isDarwin [
       ./qtwebengine-darwin-no-platform-check.patch
       ./qtwebengine-darwin-fix-failed-static-assertion.patch
diff --git a/pkgs/development/libraries/qt-5/5.14/default.nix b/pkgs/development/libraries/qt-5/5.14/default.nix
index 469157a5f72..b17d9b97b18 100644
--- a/pkgs/development/libraries/qt-5/5.14/default.nix
+++ b/pkgs/development/libraries/qt-5/5.14/default.nix
@@ -70,7 +70,16 @@ let
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
     qtserialport = [ ./qtserialport.patch ];
-    qtwebengine = [ ]
+    qtwebengine = [
+      # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
+      (fetchpatch {
+        name = "qtwebengine-bison-3.7-build.patch";
+        url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
+        sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
+        stripLen = 1;
+        extraPrefix = "src/3rdparty/";
+      })
+    ]
       ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
     qtwebkit = [
       (fetchpatch {
diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index 1a90c610a5b..3a31ca3a948 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -70,7 +70,16 @@ let
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
     qtserialport = [ ./qtserialport.patch ];
-    qtwebengine = [ ]
+    qtwebengine = [
+      # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
+      (fetchpatch {
+        name = "qtwebengine-bison-3.7-build.patch";
+        url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
+        sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
+        stripLen = 1;
+        extraPrefix = "src/3rdparty/";
+      })
+    ]
       ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
     qtwebkit = [ ./qtwebkit.patch ]
       ++ optionals stdenv.isDarwin [
diff --git a/pkgs/development/libraries/qt-5/modules/qtwebengine.nix b/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
index ff2b444ac27..b98b711c0f5 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebengine.nix
@@ -38,17 +38,6 @@ qtModule {
   # which cannot be set at the same time as -Wformat-security
   hardeningDisable = [ "format" ];
 
-  patches = [
-    # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
-    (fetchpatch {
-      name = "qtwebengine-bison-3.7-build.patch";
-      url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
-      sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
-      stripLen = 1;
-      extraPrefix = "src/3rdparty/";
-    })
-  ];
-
   postPatch =
     # Patch Chromium build tools
     ''