diff --git a/sqs/README.md b/sqs/README.md
index d62db3a2..5f8281ed 100644
--- a/sqs/README.md
+++ b/sqs/README.md
@@ -12,7 +12,7 @@ For publish-subscribe scenarios, use as a **publish** Operation Binding Object,
 
 ## Version
 
-Current version is `0.1.0`.
+Current version is `0.2.0`.
 
 <a name="server"></a>
 
diff --git a/sqs/json_schemas/channel.json b/sqs/json_schemas/channel.json
index c5856e77..6e5279d7 100644
--- a/sqs/json_schemas/channel.json
+++ b/sqs/json_schemas/channel.json
@@ -21,7 +21,11 @@
     },
     "bindingVersion": {
       "type": "string",
-      "description": "The version of this binding.",
+      "enum": [
+        "0.1.0",
+        "0.2.0"
+      ],
+      "description": "The version of this binding. If omitted, 'latest' MUST be assumed.",
       "default": "latest"
     }
   },
diff --git a/sqs/json_schemas/operation.json b/sqs/json_schemas/operation.json
index e32880d8..9bd1e5bf 100644
--- a/sqs/json_schemas/operation.json
+++ b/sqs/json_schemas/operation.json
@@ -20,7 +20,11 @@
     },
     "bindingVersion": {
       "type": "string",
-      "description": "The version of this binding.",
+      "enum": [
+        "0.1.0",
+        "0.2.0"
+      ],
+      "description": "The version of this binding. If omitted, 'latest' MUST be assumed.",
       "default": "latest"
     }
   },