diff --git a/doc/how-to-use.md b/doc/how-to-use.md
index b4ca9efc2..ea0188087 100644
--- a/doc/how-to-use.md
+++ b/doc/how-to-use.md
@@ -530,5 +530,7 @@ Used only with `--multus-conf-file=auto`. Allows you to specify an alternate pat
 
 Used only with `--multus-conf-file=auto`. See the documentation for logging for which values are permitted.
 
+Used only with `--multus-conf-file=auto`. Allows you to specify CNI spec version. Please set if you need to speicfy CNI spec version.
 
+    --cni-version=
 
diff --git a/images/entrypoint.sh b/images/entrypoint.sh
index c3b5f8458..19059511e 100755
--- a/images/entrypoint.sh
+++ b/images/entrypoint.sh
@@ -61,6 +61,9 @@ while [ "$1" != "" ]; do
             usage
             exit
             ;;
+        --cni-version)
+            CNI_VERSION=$VALUE
+            ;;
         --cni-conf-dir)
             CNI_CONF_DIR=$VALUE
             ;;
@@ -233,9 +236,15 @@ if [ "$MULTUS_CONF_FILE" == "auto" ]; then
         LOG_FILE_STRING="\"logFile\": \"$MULTUS_LOG_FILE\","
       fi
 
+      CNI_VERSION_STRING=""
+      if [ ! -z "${CNI_VERSION// }" ]; then
+        CNI_VERSION_STRING="\"cniVersion\": \"$CNI_VERSION\","
+      fi
+
       MASTER_PLUGIN_JSON="$(cat $MULTUS_AUTOCONF_DIR/$MASTER_PLUGIN)"
       CONF=$(cat <<-EOF
   			{
+          $CNI_VERSION_STRING
   				"name": "multus-cni-network",
   				"type": "multus",
           $ISOLATION_STRING
diff --git a/multus/multus.go b/multus/multus.go
index c96964ae0..36ddaaa22 100644
--- a/multus/multus.go
+++ b/multus/multus.go
@@ -489,6 +489,14 @@ func cmdDel(args *skel.CmdArgs, exec invoke.Exec, kubeClient k8s.KubeClient) err
 		in.Delegates[0].MasterPlugin = true
 	}
 
+	// set CNIVersion in delegate CNI config if there is no CNIVersion and multus conf have CNIVersion.
+	for _, v := range in.Delegates {
+		if v.ConfListPlugin == true && v.ConfList.CNIVersion == "" && in.CNIVersion != "" {
+			v.ConfList.CNIVersion = in.CNIVersion
+			v.Bytes, err = json.Marshal(v.ConfList)
+		}
+	}
+
 	// unset the network status annotation in apiserver, only in case Multus as kubeconfig
 	if in.Kubeconfig != "" {
 		if netnsfound {