diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6a815c2..bec16e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@1.88
+      - uses: dtolnay/rust-toolchain@1.100
       - uses: Swatinem/rust-cache@v2
       - run: cargo build --workspace --all-targets