diff --git a/transformer/rust-toolchain.toml b/transformer/rust-toolchain.toml
index f31d9c6..7612682 100644
--- a/transformer/rust-toolchain.toml
+++ b/transformer/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.64"
+channel = "1.74"
 components = [ "rust-src" ]