diff --git a/poky/meta-poky/conf/distro/poky.conf b/poky/meta-poky/conf/distro/poky.conf
index 47ef9fa..179329f 100644
--- a/poky/meta-poky/conf/distro/poky.conf
+++ b/poky/meta-poky/conf/distro/poky.conf
@@ -1,7 +1,8 @@
 DISTRO = "poky"
 DISTRO_NAME = "Poky (Yocto Project Reference Distro)"
-DISTRO_VERSION = "3.4+snapshot-${METADATA_REVISION}"
-DISTRO_CODENAME = "master"
+#DISTRO_VERSION = "3.4+snapshot-${METADATA_REVISION}"
+DISTRO_VERSION = "4.0"
+DISTRO_CODENAME = "kirkstone"
 SDK_VENDOR = "-pokysdk"
 SDK_VERSION = "${@d.getVar('DISTRO_VERSION').replace('snapshot-${METADATA_REVISION}', 'snapshot')}"
 SDK_VERSION[vardepvalue] = "${SDK_VERSION}"
@@ -30,30 +31,22 @@
 
 TCLIBCAPPEND = ""
 
-PREMIRRORS ??= "\
-bzr://.*/.*   https://downloads.yoctoproject.org/mirror/sources/ \
-cvs://.*/.*   https://downloads.yoctoproject.org/mirror/sources/ \
-git://.*/.*   https://downloads.yoctoproject.org/mirror/sources/ \
-gitsm://.*/.* https://downloads.yoctoproject.org/mirror/sources/ \
-hg://.*/.*    https://downloads.yoctoproject.org/mirror/sources/ \
-osc://.*/.*   https://downloads.yoctoproject.org/mirror/sources/ \
-p4://.*/.*    https://downloads.yoctoproject.org/mirror/sources/ \
-svn://.*/.*   https://downloads.yoctoproject.org/mirror/sources/"
-
 SANITY_TESTED_DISTROS ?= " \
             poky-3.3 \n \
             poky-3.4 \n \
             ubuntu-16.04 \n \
             ubuntu-18.04 \n \
             ubuntu-20.04 \n \
-            fedora-33 \n \
+            ubuntu-21.10 \n \
             fedora-34 \n \
+            fedora-35 \n \
             centos-7 \n \
             centos-8 \n \
             debian-9 \n \
             debian-10 \n \
             debian-11 \n \
-            opensuseleap-15.2 \n \
+            opensuseleap-15.3 \n \
+            almalinux-8.5 \n \
             "
 # add poky sanity bbclass
 INHERIT += "poky-sanity"