diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 292da45..a511a47 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@1.93.1
+      - uses: dtolnay/rust-toolchain@1.100.0
         with:
           components: rustfmt
       - run: cargo fmt --all -- --check