diff --git a/aws/CouchbaseServer/couchbase-amzn-lnx2.template b/aws/CouchbaseServer/couchbase-amzn-lnx2.template
index 47e6c83..1934a0e 100644
--- a/aws/CouchbaseServer/couchbase-amzn-lnx2.template
+++ b/aws/CouchbaseServer/couchbase-amzn-lnx2.template
@@ -156,7 +156,36 @@
                 "i3.2xlarge",
                 "i3.4xlarge",
                 "i3.8xlarge",
-                "i3.16xlarge"
+                "i3.16xlarge",
+                "c5.12xlarge",
+                "c5a.large",
+                "c5a.xlarge",
+                "c5a.2xlarge",
+                "c5a.4xlarge",
+                "c5a.8xlarge",
+                "c5a.12xlarge",
+                "c5ad.large",
+                "c5ad.xlarge",
+                "c5ad.2xlarge",
+                "c5ad.4xlarge",
+                "c5ad.8xlarge",
+                "c5ad.12xlarge",
+                "c5d.12xlarge",
+                "m5.8xlarge",
+                "c5n.2xlarge",
+                "c5n.4xlarge",
+                "c5n.9xlarge",
+                "m5.8xlarge",
+                "m5a.8xlarge",
+                "r5.8xlarge",
+                "r5a.8xlarge",
+                "r5ad.large",
+                "r5ad.xlarge",
+                "r5ad.2xlarge",
+                "r5ad.4xlarge",
+                "r5ad.8xlarge",
+                "r5ad.12xlarge",
+                "r5ad.16xlarge"
             ]
         },
         "Username": {
diff --git a/aws/CouchbaseServerAndSyncGateway/couchbase-amzn-lnx2.template b/aws/CouchbaseServerAndSyncGateway/couchbase-amzn-lnx2.template
index 87cbc88..3f5513c 100644
--- a/aws/CouchbaseServerAndSyncGateway/couchbase-amzn-lnx2.template
+++ b/aws/CouchbaseServerAndSyncGateway/couchbase-amzn-lnx2.template
@@ -152,7 +152,36 @@
                 "i3.2xlarge",
                 "i3.4xlarge",
                 "i3.8xlarge",
-                "i3.16xlarge"
+                "i3.16xlarge",
+                "c5.12xlarge",
+                "c5a.large",
+                "c5a.xlarge",
+                "c5a.2xlarge",
+                "c5a.4xlarge",
+                "c5a.8xlarge",
+                "c5a.12xlarge",
+                "c5ad.large",
+                "c5ad.xlarge",
+                "c5ad.2xlarge",
+                "c5ad.4xlarge",
+                "c5ad.8xlarge",
+                "c5ad.12xlarge",
+                "c5d.12xlarge",
+                "m5.8xlarge",
+                "c5n.2xlarge",
+                "c5n.4xlarge",
+                "c5n.9xlarge",
+                "m5.8xlarge",
+                "m5a.8xlarge",
+                "r5.8xlarge",
+                "r5a.8xlarge",
+                "r5ad.large",
+                "r5ad.xlarge",
+                "r5ad.2xlarge",
+                "r5ad.4xlarge",
+                "r5ad.8xlarge",
+                "r5ad.12xlarge",
+                "r5ad.16xlarge"
             ]
         },
         "SyncGatewayInstanceType": {