diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index a70ba478..211a06b9 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -276,12 +276,14 @@ jobs:
       - name: Install nightly toolchain
         uses: dtolnay/rust-toolchain@be73d7920c329f220ce78e0234b8f96b7ae60248
         with:
-          toolchain: nightly
+          toolchain: nightly-2025-04-21-x86_64-unknown-linux-gnu
           components: llvm-tools-preview
-      - name: Install cargo fuzz & rustfilt
+      - name: Install cargo fuzz
+        run: cargo install cargo-fuzz
+      - name: rustfilt
         uses: taiki-e/install-action@56ab7930c591507f833cbaed864d201386d518a8
         with:
-          tool: cargo-fuzz,rustfilt
+          tool: rustfilt
       - name: Download custom decompression corpus
         if: ${{ contains(matrix.corpus, 'gzip-files') }}
         run: |