diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index b75b9bdf3..7c0de8ed0 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -184,7 +184,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.85
+      - uses: dtolnay/rust-toolchain@1.89
         with:
           profile: minimal
           toolchain: nightly-2024-07-09