diff --git a/parts/common/components.json b/parts/common/components.json
index f223067e41b..77b4a4987fd 100644
--- a/parts/common/components.json
+++ b/parts/common/components.json
@@ -206,7 +206,7 @@
         },
         {
           "renovateTag": "registry=https://mcr.microsoft.com, name=containernetworking/azure-cns",
-          "latestVersion": "v1.6.20"
+          "latestVersion": "v1.6.21"
         }
       ],
       "multiArchVersionsV2": [
@@ -240,8 +240,8 @@
         },
         {
           "renovateTag": "registry=https://mcr.microsoft.com, name=containernetworking/azure-cns",
-          "latestVersion": "v1.6.20",
-          "previousLatestVersion": "v1.6.18",
+          "latestVersion": "v1.6.21",
+          "previousLatestVersion": "v1.6.20",
           "containerImagePrefetch": {
             "latestVersion": {
               "binaries": [