diff --git a/D110204-fscreen.diff b/D110204-fscreen.diff
index 99eeb3b5e9d13a0f619efdbb1017724be621d3f5..ce4c9081e1fcd7f9308d53d6fd394fa58adfdfbf 100644
--- a/D110204-fscreen.diff
+++ b/D110204-fscreen.diff
@@ -1,6 +1,5 @@
-diff -up firefox-91.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff firefox-91.0/widget/gtk/nsWindow.cpp
---- firefox-91.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff	2021-07-27 23:31:38.000000000 +0200
-+++ firefox-91.0/widget/gtk/nsWindow.cpp	2021-07-30 15:47:22.031795569 +0200
+--- firefox-91.11.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff	2022-06-20 21:18:51.000000000 +0200
++++ firefox-91.11.0/widget/gtk/nsWindow.cpp	2022-06-21 12:21:44.892706641 +0200
 @@ -91,6 +91,7 @@
  #include "SystemTimeConverter.h"
  #include "WidgetUtilsGtk.h"
@@ -17,7 +16,7 @@ diff -up firefox-91.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff firefox-91.0/
        mAspectRatio(0.0f),
        mAspectRatioSaved(0.0f),
        mLastScrollEventTime(GDK_CURRENT_TIME),
-@@ -4626,6 +4628,19 @@ void nsWindow::OnWindowStateEvent(GtkWid
+@@ -4618,6 +4620,19 @@ void nsWindow::OnWindowStateEvent(GtkWid
        ClearTransparencyBitmap();
      }
    }
@@ -37,7 +36,7 @@ diff -up firefox-91.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff firefox-91.0/
  }
  
  void nsWindow::OnDPIChanged() {
-@@ -6880,6 +6895,19 @@ nsresult nsWindow::MakeFullScreen(bool a
+@@ -6860,6 +6875,19 @@ nsresult nsWindow::MakeFullScreen(bool a
        }
      }
  
@@ -57,14 +56,13 @@ diff -up firefox-91.0/widget/gtk/nsWindow.cpp.D110204-fscreen.diff firefox-91.0/
      gtk_window_fullscreen(GTK_WINDOW(mShell));
    } else {
      mSizeMode = mLastSizeMode;
-diff -up firefox-91.0/widget/gtk/nsWindow.h.D110204-fscreen.diff firefox-91.0/widget/gtk/nsWindow.h
---- firefox-91.0/widget/gtk/nsWindow.h.D110204-fscreen.diff	2021-07-27 23:31:38.000000000 +0200
-+++ firefox-91.0/widget/gtk/nsWindow.h	2021-07-29 18:35:41.000639386 +0200
-@@ -763,6 +763,7 @@ class nsWindow final : public nsBaseWidg
-    * move-to-rect callback we store it to mNewSizeAfterMoveToRect.
+--- firefox-91.11.0/widget/gtk/nsWindow.h.D110204-fscreen.diff	2022-06-21 12:21:44.894706636 +0200
++++ firefox-91.11.0/widget/gtk/nsWindow.h	2022-06-21 12:25:20.985209461 +0200
+@@ -767,6 +767,7 @@ class nsWindow final : public nsBaseWidg
+    * move-to-rect callback we set mResizedAfterMoveToRect.
     */
    bool mWaitingForMoveToRectCallback;
 +  bool mPendingFullscreen;
-   LayoutDeviceIntRect mNewSizeAfterMoveToRect;
+   bool mResizedAfterMoveToRect;
  
    /**
diff --git a/download b/download
index 28637fcf4b58d4b25a0e81813e8f05d99b4fde2a..add68cee3d589bfaa6a2f3a6348874526432de2b 100644
--- a/download
+++ b/download
@@ -1,5 +1,5 @@
 9030c1f285ee079a4c386e525e57a2b1  cbindgen-vendor.tar.xz
-1c3ecf42b041923418598c9b5e0b4e73  firefox-91.10.0esr.processed-source.tar.xz
-f7fa2dc2eba51adba1a63645153c079d  firefox-langpacks-91.10.0esr-20220524.tar.xz
+b973ea73ee45599205924c717958e9c3  firefox-91.12.0esr.processed-source.tar.xz
+9c20224f75cd385a3a41eb6262a226e3  firefox-langpacks-91.12.0esr-20220721.tar.xz
 5b7e3326f4484ce1ab685e74f8477a26  nspr-4.32.0-1.el8_1.src.rpm
 770fbbfb259e656b8f3879934137d10c  nss-3.67.0-7.el8_1.src.rpm
diff --git a/firefox.spec b/firefox.spec
index 29815df98b80802ba7db452e7731b6826e6252c4..6619e84abb2ab4f5123bb08002c03558cffb70c7 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -135,8 +135,8 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        91.10.0
-Release:        1%{?dist}
+Version:        91.12.0
+Release:        2%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 %if 0%{?rhel} == 9
@@ -160,7 +160,7 @@ ExcludeArch:    aarch64 s390 ppc
 # Link to official tarball: https://hg.mozilla.org/releases/mozilla-release/archive/firefox-%%{version}%%{?pre_version}.source.tar.xz
 Source0:        firefox-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20220524.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20220721.tar.xz
 
 %endif
 Source2:        cbindgen-vendor.tar.xz
@@ -1271,6 +1271,15 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Thu Jul 21 2022 Eike Rathke <erack@redhat.com> - 91.12.0-1
+- Update to 91.12.0 build1
+
+* Thu Jun 23 2022 Eike Rathke <erack@redhat.com> - 91.11.0-2
+- Update to 91.11.0 build2
+
+* Tue Jun 21 2022 Eike Rathke <erack@redhat.com> - 91.11.0-1
+- Update to 91.11.0 build1
+
 * Tue May 24 2022 Eike Rathke <erack@redhat.com> - 91.10.0-1
 - Update to 91.10.0 build1