diff --git a/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/StringProperties.scala b/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/StringProperties.scala
index 927ed3bf..a2318ecd 100644
--- a/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/StringProperties.scala
+++ b/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/StringProperties.scala
@@ -54,6 +54,7 @@ object StringProperties {
   case object DateTimeFormat extends Format { val asString = "date-time" }
   case object DateFormat extends Format { val asString = "date" }
   case object HostNameFormat extends Format { val asString = "hostname" }
+  case object UuidFormat extends Format { val asString = "uuid" }
 
   /**
    * Implementations MAY add custom format attributes
diff --git a/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/json4s/StringSerializers.scala b/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/json4s/StringSerializers.scala
index be519b0d..f0926a46 100644
--- a/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/json4s/StringSerializers.scala
+++ b/0-common/schema-ddl/src/main/scala/com.snowplowanalytics/iglu.schemaddl/jsonschema/json4s/StringSerializers.scala
@@ -30,6 +30,7 @@ object StringSerializers {
       case JString(format) if format == "hostname" => HostNameFormat
       case JString(format) if format == "date-time" => DateTimeFormat
       case JString(format) if format == "date" => DateFormat
+      case JString(format) if format == "uuid" => UuidFormat
       case JString(format) => CustomFormat(format)
       case x => throw new MappingException("Format must be string")
     },