diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index b807d355..2d5c371b 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -4,5 +4,5 @@
 # The intent is to keep this updated as new stable versions are relased.
 
 [toolchain]
-channel = "1.90.0"
+channel = "1.91.0"
 profile = "default"