diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 03cee5a8..fb086d10 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,90 +11,45 @@ jobs:
         rust:
           - stable
           - beta 
-          - 1.70.0
+          - stable minus 8 releases
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - name: check
+        run: cargo check
+      - name: check all features
+        run: cargo check --all-features
 
   test:
     name: Test Suite
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
 
-  test_parser:
-    name: Test Suite (with parser)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features parser -- --nocapture
+      - name: test
+        run: cargo test
 
-  test_with_tz:
-    name: Test Suite (with parser)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features chrono-tz
+      - name: test (with parser)
+        run: cargo test --features parser
 
-  fmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - run: rustup component add rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+      - name: test (with TZ)
+        run: cargo test --features chrono-tz
 
-  clippy:
-    name: Clippy
+  fmtclippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - run: rustup component add clippy
-      - uses: actions-rs/cargo@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          command: clippy
-          args: -- -D warnings
+          components: clippy, rustfmt
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Check
+        run: cargo clippy --workspace --all-targets --all-features -- -D warnings
+
+      - name: rustfmt
+        run: cargo fmt --all --check 
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 3fd8bac2..8a19d905 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -7,7 +7,7 @@ jobs:
     name: Check Commit Message
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # A PR should not contain too many commits
           fetch-depth: 10