diff --git a/test/ConstantsDemo.thrift b/test/ConstantsDemo.thrift
index 204e805..e03f053 100644
--- a/test/ConstantsDemo.thrift
+++ b/test/ConstantsDemo.thrift
@@ -65,6 +65,8 @@
 
 const set<i32> GEN_SET = [ 235, 235, 53235 ]
 
+const uuid GEN_UUID = "00000000-4444-CCCC-ffff-0123456789ab"
+
 exception Blah {
   1:  i32 bing }