diff --git a/README.md b/README.md
index 664f236..3cab12f 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 A crate for generating and working with prime numbers in const contexts.  
 This lets you for example pre-compute prime numbers at compile time and store them in the binary.
 
-`#![no_std]` compatible, and currently supports Rust versions 1.68.2 and newer.
+`#![no_std]` compatible, and currently supports Rust versions 1.67.1 and newer.
 
 ## Examples
 
diff --git a/src/lib.rs b/src/lib.rs
index dfc6d32..4757138 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 //! A crate for generating and working with prime numbers in const contexts.   
 //! This lets you for example pre-compute prime numbers at compile time and store them in the binary.
 //!
-//! `#![no_std]` compatible, and currently supports Rust versions 1.68.2 or newer.
+//! `#![no_std]` compatible, and currently supports Rust versions 1.67.1 or newer.
 //!
 //! # Examples
 //!