diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 47c2a65..9363d4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -229,7 +229,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Install Rust 1.88
-        uses: dtolnay/rust-toolchain@1.88
+        uses: dtolnay/rust-toolchain@1.100
 
       - name: Install system dependencies
         run: |