diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f10c909..c4889df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,7 +65,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install Rust 1.75
-        uses: dtolnay/rust-toolchain@1.75
+        uses: dtolnay/rust-toolchain@1.100
 
       - name: Cache cargo registry
         uses: actions/cache@v5