diff --git a/Config.mk b/Config.mk
index 000cf06d418f..29c29f8d7fb9 100644
--- a/Config.mk
+++ b/Config.mk
@@ -223,7 +223,7 @@ OVMF_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/ovmf.git
 OVMF_UPSTREAM_REVISION ?= ba91d0292e593df8528b66f99c1b0b14fadc8e16
 
 QEMU_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/qemu-xen.git
-QEMU_UPSTREAM_REVISION ?= 0df9387c8983e1b1e72d8c574356f572342c03e6
+QEMU_UPSTREAM_REVISION ?= master
 
 MINIOS_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/mini-os.git
 MINIOS_UPSTREAM_REVISION ?= 5bcb28aaeba1c2506a82fab0cdad0201cd9b54b3