--- h2-0.1.21/Cargo.toml	1970-01-01T00:00:00+00:00
+++ h2-0.1.21/Cargo.toml	2019-05-31T14:01:10.940740+00:00
@@ -47,7 +47,7 @@
 version = "0.4.0"
 
 [dependencies.string]
-version = "0.1"
+version = "0.2"
 
 [dependencies.tokio-io]
 version = "0.1.4"