diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index fe3328412..32f3ea951 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.63"
+channel = "1.64"
 components = [ "rustfmt", "clippy" ]
 targets = [ "aarch64-unknown-linux-gnu" ]