diff --git a/.gitignore b/.gitignore
index 82468e9..000c8cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,9 @@ SOURCES/spice-qxl-wddm-dod-0.21-2.el8.src.rpm
 SOURCES/spice-vdagent-win-0.10.0-5.el8.src.rpm
 SOURCES/spice-vdagent-win-x64-0.10.0-5.el8.noarch.rpm
 SOURCES/spice-vdagent-win-x86-0.10.0-5.el8.noarch.rpm
-SOURCES/virtio-win-1.9.20-bin-for-rpm.tar.gz
+SOURCES/virtio-win-1.9.21-bin-for-rpm.tar.gz
 SOURCES/virtio-win-gt-x64.msi
 SOURCES/virtio-win-gt-x86.msi
 SOURCES/virtio-win-guest-tools.exe
-SOURCES/virtio-win-installer-1.9.19-2-sources.zip
-SOURCES/virtio-win-prewhql-0.1-214-sources.zip
+SOURCES/virtio-win-installer-1.9.19-4-sources.zip
+SOURCES/virtio-win-prewhql-0.1-215-sources.zip
diff --git a/.virtio-win.metadata b/.virtio-win.metadata
index 7f3f657..f53296d 100644
--- a/.virtio-win.metadata
+++ b/.virtio-win.metadata
@@ -6,9 +6,9 @@ b6f9fe272b31e82d96b655cab6e7ff71ac90eaee SOURCES/mingw-qemu-ga-win-102.7.0-0.el8
 085728c7db3503db1f7c8f1d264ca45b365d6837 SOURCES/spice-vdagent-win-0.10.0-5.el8.src.rpm
 fb35d3c12b9069133e651f54c35ae6ee68537959 SOURCES/spice-vdagent-win-x64-0.10.0-5.el8.noarch.rpm
 2d4bd6f8fb1b306f4d49a5a990e2da9c5f5baeac SOURCES/spice-vdagent-win-x86-0.10.0-5.el8.noarch.rpm
-0a4dab992353f92e3b22cac1da7f1c23dff24d81 SOURCES/virtio-win-1.9.20-bin-for-rpm.tar.gz
-04533db3b8cc787537871443f2c999b36c55e1da SOURCES/virtio-win-gt-x64.msi
-d664191f8f8d15af2021af9cc0c67c716702de4f SOURCES/virtio-win-gt-x86.msi
-8c860ce24b360bfba49f05aa0cee6041c206c176 SOURCES/virtio-win-guest-tools.exe
-f2c2a8451253e058bcc2619e2849b2fa92c25d65 SOURCES/virtio-win-installer-1.9.19-2-sources.zip
-22123466d573213ba32d68178f0dcec330bdbaa4 SOURCES/virtio-win-prewhql-0.1-214-sources.zip
+06db0a4fb7d851fc118de0bbd7f8112d5a171ab3 SOURCES/virtio-win-1.9.21-bin-for-rpm.tar.gz
+11ce3874a9ca47efc79df8b31da4504c3a5edc56 SOURCES/virtio-win-gt-x64.msi
+367c3bc097a59b099e81a644c175e402518f063b SOURCES/virtio-win-gt-x86.msi
+ccb2681e03f9e9d6f4375984c1d17aa099037ff1 SOURCES/virtio-win-guest-tools.exe
+fefce90831f2ae488c46291cf96a26b9603be683 SOURCES/virtio-win-installer-1.9.19-4-sources.zip
+55504e151e1d76fe3208328a2d3c871f149c4d33 SOURCES/virtio-win-prewhql-0.1-215-sources.zip
diff --git a/SPECS/virtio-win.spec b/SPECS/virtio-win.spec
index 8b1e0d8..72d948f 100644
--- a/SPECS/virtio-win.spec
+++ b/SPECS/virtio-win.spec
@@ -8,18 +8,18 @@
 # If you make any changes to this file that affect the RPM content (but not
 # version numbers or changelogs, etc), submit a patch to the upstream spec.
 
-%global virtio_win_prewhql_build virtio-win-prewhql-0.1-214
+%global virtio_win_prewhql_build virtio-win-prewhql-0.1-215
 %global qemu_ga_win_build qemu-ga-win-102.7.0-0.el8
 %global qxl_build qxl-win-unsigned-0.1-24
 %global spice_vdagent_build 0.10.0-5.el8
 %global qxlwddm_build spice-qxl-wddm-dod-0.21-2.el8
 
-%global windows_installer_version -1.9.19-2
+%global windows_installer_version -1.9.19-4
 
 Summary: VirtIO para-virtualized drivers for Windows(R)
 Name: virtio-win
-Version: 1.9.20
-Release: 3%{?dist}
+Version: 1.9.21
+Release: 1%{?dist}
 Group: Applications/System
 URL: http://www.redhat.com/
 BuildArch: noarch
@@ -278,6 +278,10 @@ add_link _servers_amd64.vfd
 %endif
 
 %changelog
+* Wed Dec 29 2021 Vadim Rozenfeld <vrozenfe@redhat.com> - 1.9.21-1.el8
+- Update installer to 1.0.19.4
+- Resolves: rhbz#2033400
+
 * Sat Dec 19 2021 Vadim Rozenfeld <vrozenfe@redhat.com> - 1.9.20-3.el8
 - Update installer to 1.0.19.2
 - Resolves: rhbz#2033400