diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index c3891f0..a5e11d2 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.90.0"
+channel = "1.91.0"
 profile = "minimal"