diff --git a/serverless-resources.yml b/serverless-resources.yml
index d8f5571..e8bdc63 100644
--- a/serverless-resources.yml
+++ b/serverless-resources.yml
@@ -106,12 +106,22 @@ rBuildsBatchComputeEnvironment:
       InstanceRole:
         "Fn::GetAtt": [ rBuildsIamInstanceProfile, Arn ]
       InstanceTypes:
-        - m6i
-        - m5
-        - m5a
-        - c6i
-        - c5
-        - c5a
+        - m6i.xlarge
+        - m6i.2xlarge
+        - m5.xlarge
+        - m5.2xlarge
+        - m5a.xlarge
+        - m5a.2xlarge
+        - r5.xlarge
+        - r5.2xlarge
+        - r5a.xlarge
+        - r5a.2xlarge
+        - c6i.xlarge
+        - c6i.2xlarge
+        - c5.xlarge
+        - c5.2xlarge
+        - c5a.xlarge
+        - c5a.2xlarge
       Ec2KeyPair: ${self:custom.ec2KeyPair}
       Tags: ${self:provider.stackTags}
       MinvCpus: 0