diff --git a/betree/Cargo.toml b/betree/Cargo.toml
index 41878e83..4c738b6d 100644
--- a/betree/Cargo.toml
+++ b/betree/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.3.1-alpha"
 authors = ["Felix Wiedemann <felix@kann.it>", "Till Hoeppner <betree@tilpner.com>", "Johannes Wünsche <johannes@spacesnek.rocks>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.62"
+rust-version = "1.65"
 
 [lib]
 crate-type = ["rlib", "staticlib", "cdylib"]