diff --git a/Cargo.toml b/Cargo.toml
index d7e3cc9..c2ccc7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "libloading"
 # When bumping
 # * Don’t forget to add an entry to `src/changelog.rs`
 # * If bumping to an incompatible version, adjust the documentation in `src/lib.rs`
-version = "0.7.1"
+version = "0.7.2"
 authors = ["Simonas Kazlauskas <libloading@kazlauskas.me>"]
 license = "ISC"
 repository = "https://github.com/nagisa/rust_libloading/"
@@ -12,6 +12,7 @@ readme = "README.mkd"
 description = "Bindings around the platform's dynamic library loading primitives with greatly improved memory safety."
 keywords = ["dlopen", "load", "shared", "dylib"]
 categories = ["api-bindings"]
+rust-version = "1.40.0"
 
 [target.'cfg(windows)'.dependencies.winapi]
 version = "0.3"