diff --git a/lib/rs/test/Cargo.toml b/lib/rs/test/Cargo.toml
index 9341bd5..c9ca298 100644
--- a/lib/rs/test/Cargo.toml
+++ b/lib/rs/test/Cargo.toml
@@ -8,6 +8,7 @@
 
 [dependencies]
 clap = "2.33"
+bitflags = "=1.2"
 
 [dependencies.thrift]
 path = "../"