diff --git a/lib/rb/spec/ThriftSpec.thrift b/lib/rb/spec/ThriftSpec.thrift
new file mode 100644
index 0000000..f22f17d
--- /dev/null
+++ b/lib/rb/spec/ThriftSpec.thrift
@@ -0,0 +1,14 @@
+namespace rb SpecNamespace
+
+struct Hello {
+  1: string greeting = "hello world"
+}
+
+struct Foo {
+  1: i32 simple = 53,
+  2: string words = "words",
+  3: Hello hello = {'greeting' : "hello, world!"},
+  4: list<i32> ints = [1, 2, 2, 3],
+  5: map<i32, map<string, double>> complex,
+  6: set<i16> shorts = [5, 17, 239]
+}