diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d549af7..18300ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.80.0
+      - uses: dtolnay/rust-toolchain@1.100.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --all-features