Merge pull request #212 from maurer/semver

Require exact version of `arbitrary-derive`

Author: Manishearth

Cargo.toml

@@ -20,7 +20,7 @@ documentation = "https://docs.rs/arbitrary/"
 rust-version = "1.63.0" # Keep in sync with version documented in the README.md
 
 [dependencies]
-derive_arbitrary = { version = "1.4.0", path = "./derive", optional = true }
+derive_arbitrary = { version = "~1.4.0", path = "./derive", optional = true }
 
 [features]
 # Turn this feature on to enable support for `#[derive(Arbitrary)]`.