diff --git a/devicemodel/bios/MD5SUM_ovmf b/devicemodel/bios/MD5SUM_ovmf
index 5851ddc57..9abf1f902 100644
--- a/devicemodel/bios/MD5SUM_ovmf
+++ b/devicemodel/bios/MD5SUM_ovmf
@@ -1,2 +1,2 @@
-e684ec412abf921749ca6bab29922380  OVMF.fd
-195272eb13199ba1951e486f717f2516  OVMF_debug.fd
+29e97353233e5e29e23e3ef75494b05e  OVMF.fd
+a5f6be7bff05dc6d3f04c22be91358df  OVMF_debug.fd
diff --git a/devicemodel/bios/OVMF.fd b/devicemodel/bios/OVMF.fd
index 36c663904..32ee0e05e 100644
Binary files a/devicemodel/bios/OVMF.fd and b/devicemodel/bios/OVMF.fd differ
diff --git a/devicemodel/bios/OVMF_debug.fd b/devicemodel/bios/OVMF_debug.fd
index b76beaeb6..ca8fa2651 100644
Binary files a/devicemodel/bios/OVMF_debug.fd and b/devicemodel/bios/OVMF_debug.fd differ
diff --git a/devicemodel/bios/SHA512SUM_ovmf b/devicemodel/bios/SHA512SUM_ovmf
index 1cf33a6f3..0f28309ff 100644
--- a/devicemodel/bios/SHA512SUM_ovmf
+++ b/devicemodel/bios/SHA512SUM_ovmf
@@ -1,2 +1,2 @@
-db18db59c7d9fe0dabd8ed3f29731b01a8ffbec94ad4df9dc6372c2b4cb5752e888ce6e9dc95242f096229ae76741459a8d2518562e249dad267844cabf92000  OVMF.fd
-e75fe5f28dd413d93af5e59e9ae2d758fd34ea8be3ff2ff536992446a86127f2b118123abb10a6f58e1efd2af9cf54e51f289eb42b647f9db9794ca247fc43bf  OVMF_debug.fd
+4ba0d9037ef487cc57270b03795040cbc50b6116fb50c7fea975c20351eda6f65b17b572f439a082271aadf1abb04bd98200d63b2342ce1e5210a4589a605b39  OVMF.fd
+7a63b9061dbe8cf330db8c73dc2c2f3094c1df950c50474fd1f9ec0bc0c3bc00c26551d473ebeded3571da4c465abdb21e2ae98f315b377f79eb062e7cd1d031  OVMF_debug.fd
diff --git a/devicemodel/bios/changelog_ovmf.txt b/devicemodel/bios/changelog_ovmf.txt
index 45537011f..1a55ad40a 100644
--- a/devicemodel/bios/changelog_ovmf.txt
+++ b/devicemodel/bios/changelog_ovmf.txt
@@ -1,3 +1,19 @@
+OVMF release v1.1
+
+- Cleanup unused and unsupported function of AcrnRtc
+- Remove SMBIOS support
+- Add ResetSystemLib for ACRN
+- Disable BhyveFwCtlLib
+- Disable COM2
+- Avoid connecting all system drivers
+- Speed up Ps2KeyboardDxe
+- Created new Rtc driver and optimized RtcInit and RtcGetTime
+- Initialize EmuVariable NV storage memory with varstore from ROM
+- Switch to BasePciLibPciExpress
+- Avoid exhaustive PCI bus scanning during PCI host bridge initialization
+- Add support for ACRN platform initialization
+- Add ACRN's Host Bridge Device ID
+
 OVMF release v0.8
 
 - Remove QemuFwCfg/QemuFwCfgS3Lib