Pin clap to 2.33 as 2.34 results in build failures
diff --git a/tutorial/rs/Cargo.toml b/tutorial/rs/Cargo.toml
index 78b44e4..e6e1d7c 100644
--- a/tutorial/rs/Cargo.toml
+++ b/tutorial/rs/Cargo.toml
@@ -8,7 +8,7 @@
 publish = false
 
 [dependencies]
-clap = "2.33"
+clap = "~2.33"
 bitflags = "=1.2"
 
 [dependencies.thrift]