Increase minimum supported Rust version.

We need to raise it up to 1.13 because our test infrastructure requires it

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 577a0fb2..ab6f80fd 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ pub fn gethostname(name: &mut [u8]) -> Result<()>;
 ```
 
 ## Requirements
-Rust >= 1.9.0
+Rust >= 1.13.0
 
 ## Usage