diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 56fc869..2f07b27 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
         working-directory: dcf
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt, clippy
       - name: Test with multithreading
@@ -28,7 +28,7 @@ jobs:
         working-directory: dpf-fss
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt, clippy
       - name: Test with multithreading
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt, clippy
       - run: cargo fmt --check