2 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index a098d98..6bd8aed 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This project is developed and maintained by the [Cortex-M team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.31 and up. It might compile with older versions but that may change in any new patch release.
+This crate is guaranteed to compile on stable Rust 1.38 and up. It might compile with older versions but that may change in any new patch release.
 
 ## License
 
diff --git a/src/lib.rs b/src/lib.rs
index f0de721..f30408e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -52,7 +52,7 @@
 //!
 //! # Minimum Supported Rust Version (MSRV)
 //!
-//! This crate is guaranteed to compile on stable Rust 1.31 and up. It *might*
+//! This crate is guaranteed to compile on stable Rust 1.38 and up. It *might*
 //! compile with older versions but that may change in any new patch release.
 
 #![cfg_attr(feature = "inline-asm", feature(asm))]