diff --git a/Cargo.toml b/Cargo.toml
index 0e85db7..b4f5421 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ readme = "README.md"
 edition = "2018"
 
 [package.metadata]
-toolchain = "1.57.0"
+toolchain = "1.64.0"
 upx_version = "3.96"
 
 [dependencies]