diff --git a/Cargo.toml b/Cargo.toml
index a967508960d8b6b686b23401ea14333b858a675c..d0282a30ee931563a65d774ed783c83d6d2fdd5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "node-crc"
 version = "4.0.0"
 authors = ["Magic Len <len@magiclen.org>"]
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.77.0"
 repository = "https://github.com/magiclen/node-crc"
 homepage = "https://magiclen.org/node-js-crc/"
 keywords = ["nodejs", "crc8", "crc16", "crc32", "crc64"]