diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 78ad751080..d578735b96 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
 # We pin the minor version to prevent new Clippy lints from breaking CI.
 # But, we still want to pick up new patch versions.
-channel = "1.88"
+channel = "1.90"