diff --git a/Cargo.toml b/Cargo.toml
index 8abc3df0..6ff5230e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ rust-version = "1.74.0"
 
 [workspace.metadata.rbmt.toolchains]
 nightly = "nightly-2026-07-23"
-stable = "1.97.1"
+stable = "1.98.0"
 
 [features]
 default = ["json-contract"]