diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f587ec..c859a04 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install Rust (MSRV)
-        uses: dtolnay/rust-toolchain@1.85
+        uses: dtolnay/rust-toolchain@1.100
         with:
           components: rustfmt, clippy
 
@@ -83,7 +83,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@1.85
+      - uses: dtolnay/rust-toolchain@1.100
       - name: Cache cargo
         uses: actions/cache@v5
         with: