diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e06d00..d59d6d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -137,5 +137,6 @@ jobs:
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
       - uses: dtolnay/install@cargo-outdated
       - run: cargo outdated --workspace --exit-code 1