--- structopt-0.3.5/Cargo.toml	1970-01-01T00:00:00+00:00
+++ structopt-0.3.5/Cargo.toml	2019-12-17T08:47:33.531788+00:00
@@ -29,7 +29,7 @@
 [dependencies.structopt-derive]
 version = "0.3.5"
 [dev-dependencies.rustversion]
-version = "0.1"
+version = "1"
 
 [dev-dependencies.trybuild]
 version = "1.0.5"