diff --git a/.github/workflows/renovate-hakari.yml b/.github/workflows/renovate-hakari.yml
index 870062cb..053889a5 100644
--- a/.github/workflows/renovate-hakari.yml
+++ b/.github/workflows/renovate-hakari.yml
@@ -44,7 +44,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.96.1
+          toolchain: 1.98.1
 
       - name: Install cargo-hakari
         uses: taiki-e/install-action@v2
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 3030f276..f20b2d3e 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.96.1"
+channel = "1.98.1"
 components = ["clippy", "rustfmt"]