diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 6cbd4d68f..38eab4890 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Install dependencies (macOS)
         if: runner.os == 'Macos'
         run: brew install protobuf fish shellcheck
-      - uses: dtolnay/rust-toolchain@1.84.0
+      - uses: dtolnay/rust-toolchain@1.100.0
         id: toolchain
         with:
           components: clippy
@@ -96,7 +96,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.84.0
+      - uses: dtolnay/rust-toolchain@1.100.0
         id: toolchain
         with:
           components: clippy