diff --git a/lib/ansible/modules/cloud/amazon/ec2_vol.py b/lib/ansible/modules/cloud/amazon/ec2_vol.py
index cd76703f432..1a9f2621022 100644
--- a/lib/ansible/modules/cloud/amazon/ec2_vol.py
+++ b/lib/ansible/modules/cloud/amazon/ec2_vol.py
@@ -50,8 +50,7 @@ options:
     default: null
   volume_type:
     description:
-      - Type of EBS volume; standard (magnetic), gp2 (SSD), io1 (Provisioned IOPS). "Standard" is the old EBS default
-        and continues to remain the Ansible default for backwards compatibility.
+      - Type of EBS volume; standard (magnetic), gp2 (SSD), io1 (Provisioned IOPS), st1 (Throughput Optimized HDD), sc1 (Cold HDD). "Standard" is the old EBS default and continues to remain the Ansible default for backwards compatibility.
     required: false
     default: standard
     version_added: "1.9"
@@ -484,7 +483,7 @@ def main():
             id = dict(),
             name = dict(),
             volume_size = dict(),
-            volume_type = dict(choices=['standard', 'gp2', 'io1'], default='standard'),
+            volume_type = dict(choices=['standard', 'gp2', 'io1', 'st1', 'sc1'], default='standard'),
             iops = dict(),
             encrypted = dict(type='bool', default=False),
             device_name = dict(),