diff --git a/documentation/poky.yaml.in b/documentation/poky.yaml.in
index 197e6c757a..66f758fe85 100644
--- a/documentation/poky.yaml.in
+++ b/documentation/poky.yaml.in
@@ -1,10 +1,10 @@
-DISTRO : "5.0"
-DISTRO_NAME_NO_CAP : "scarthgap"
-DISTRO_NAME : "Scarthgap"
-DISTRO_NAME_NO_CAP_MINUS_ONE : "nanbield"
+DISTRO : "5.1"
+DISTRO_NAME_NO_CAP : "styhead"
+DISTRO_NAME : "Styhead"
+DISTRO_NAME_NO_CAP_MINUS_ONE : "scarthgap"
 DISTRO_NAME_NO_CAP_LTS : "scarthgap"
-YOCTO_DOC_VERSION : "5.0"
-DISTRO_REL_TAG : "yocto-5.0"
+YOCTO_DOC_VERSION : "5.1"
+DISTRO_REL_TAG : "yocto-5.1"
 DOCCONF_VERSION : "dev"
 BITBAKE_SERIES : ""
 YOCTO_DL_URL : "https://downloads.yoctoproject.org"
diff --git a/documentation/set_versions.py b/documentation/set_versions.py
index dec0780834..376337e7b5 100755
--- a/documentation/set_versions.py
+++ b/documentation/set_versions.py
@@ -26,9 +26,9 @@ ourversion = None
 if len(sys.argv) == 2:
     ourversion = sys.argv[1]
 
-activereleases = ["scarthgap", "nanbield", "kirkstone", "dunfell"]
-devbranch = "styhead"
-ltsseries = ["scarthgap", "kirkstone", "dunfell"]
+activereleases = ["styhead", "scarthgap", "kirkstone"]
+devbranch = "walnascar"
+ltsseries = ["scarthgap", "kirkstone"]
 
 # used by run-docs-builds to get the default page
 if ourversion == "getlatest":
@@ -36,6 +36,7 @@ if ourversion == "getlatest":
     sys.exit(0)
 
 release_series = collections.OrderedDict()
+release_series["walnascar"] = "5.2"
 release_series["styhead"] = "5.1"
 release_series["scarthgap"] = "5.0"
 release_series["nanbield"] = "4.3"
@@ -69,6 +70,7 @@ release_series["laverne"] = "0.9"
 
 
 bitbake_mapping = {
+    "walnascar" : "2.12",
     "styhead" : "2.10",
     "scarthgap" : "2.8",
     "nanbield" : "2.6",