diff --git a/Makefile b/Makefile
index 066ec01..4fdaf50 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 PKG_NAME := acrn-hypervisor
-URL = https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.3-140000p.tar.gz
+URL = https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.4-140000p.tar.gz
 ARCHIVES = 
 
 include ../common/Makefile.common
diff --git a/acrn-hypervisor.spec b/acrn-hypervisor.spec
index 2287d90..f04d53c 100644
--- a/acrn-hypervisor.spec
+++ b/acrn-hypervisor.spec
@@ -4,10 +4,10 @@
 #
 %define keepstatic 1
 Name     : acrn-hypervisor
-Version  : 2019w21.3.140000p
-Release  : 204
-URL      : https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.3-140000p.tar.gz
-Source0  : https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.3-140000p.tar.gz
+Version  : 2019w21.4.140000p
+Release  : 205
+URL      : https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.4-140000p.tar.gz
+Source0  : https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.4-140000p.tar.gz
 Summary  : No detailed summary available
 Group    : Development/Tools
 License  : BSD-3-Clause CC-BY-4.0 ISC
@@ -127,21 +127,21 @@ staticdev components for the acrn-hypervisor package.
 
 
 %prep
-%setup -q -n acrn-hypervisor-acrn-2019w21.3-140000p
+%setup -q -n acrn-hypervisor-acrn-2019w21.4-140000p
 
 %build
 export http_proxy=http://127.0.0.1:9/
 export https_proxy=http://127.0.0.1:9/
 export no_proxy=localhost,127.0.0.1,0.0.0.0
 export LANG=C
-export SOURCE_DATE_EPOCH=1558528359
+export SOURCE_DATE_EPOCH=1558614796
 export GCC_IGNORE_WERROR=1
 export LDFLAGS="${LDFLAGS} -fno-lto"
 make  %{?_smp_mflags} all sbl-hypervisor BUILD_VERSION=”%{version}_%{release}” BUILD_TAG=”%{version}”
 
 
 %install
-export SOURCE_DATE_EPOCH=1558528359
+export SOURCE_DATE_EPOCH=1558614796
 rm -rf %{buildroot}
 mkdir -p %{buildroot}/usr/share/package-licenses/acrn-hypervisor
 cp LICENSE %{buildroot}/usr/share/package-licenses/acrn-hypervisor/LICENSE
diff --git a/options.conf b/options.conf
index bfa2f3a..ddde8e7 100644
--- a/options.conf
+++ b/options.conf
@@ -1,6 +1,6 @@
 [package]
 name = acrn-hypervisor
-url = https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.3-140000p.tar.gz
+url = https://github.com/projectacrn/acrn-hypervisor/archive/acrn-2019w21.4-140000p.tar.gz
 archives = 
 giturl = https://github.com/projectacrn/acrn-hypervisor.git
 
diff --git a/release b/release
index ad03f7c..485369e 100644
--- a/release
+++ b/release
@@ -1 +1 @@
-204
+205
diff --git a/upstream b/upstream
index e1192d2..6b63180 100644
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-bcc39f5a09c9dee9f7027c64a9e9d48087e9dd1e/acrn-2019w21.3-140000p.tar.gz
+93b707ff227a859133aaf549672ddf166e508f0e/acrn-2019w21.4-140000p.tar.gz