diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d5df46..8484837 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,5 +27,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.85
+      - uses: dtolnay/rust-toolchain@1.100
       - run: cargo check --all-targets --all-features --locked