diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3300762..91de97f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@1.85.0
+      - uses: dtolnay/rust-toolchain@1.100.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --all-targets --all-features