diff --git a/README.md b/README.md
index c13a336..908b2c9 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ The Visual Studio 2017 Redistributable is required to run these builds.
 
 ## Building
 
-Requires Rust stable version 1.34.1 or newer to build.
+Requires Rust stable version 1.38.0 or newer to build.
 
 Compile and run:
 ```bash