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 = "../"
diff --git a/test/rs/Cargo.toml b/test/rs/Cargo.toml
index 8a85d7c..e17ff24 100644
--- a/test/rs/Cargo.toml
+++ b/test/rs/Cargo.toml
@@ -8,6 +8,7 @@
 
 [dependencies]
 clap = "2.33"
+bitflags = "=1.2"
 env_logger = "0.8"
 log = "0.4"
 
diff --git a/tutorial/rs/Cargo.toml b/tutorial/rs/Cargo.toml
index 5e21d51..78b44e4 100644
--- a/tutorial/rs/Cargo.toml
+++ b/tutorial/rs/Cargo.toml
@@ -9,6 +9,7 @@
 
 [dependencies]
 clap = "2.33"
+bitflags = "=1.2"
 
 [dependencies.thrift]
 path = "../../lib/rs"