diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e8a343e..2d7ad65 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -81,7 +81,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: install toolchain
-        uses: dtolnay/rust-toolchain@1.91
+        uses: dtolnay/rust-toolchain@1.100
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --workspace --all-targets