diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index ce0fff288..23edd5995 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -13,8 +13,7 @@ jobs:
   audit-rust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: rust audit
-        uses: actions-rs/audit-check@v1
+      - uses: actions/checkout@v4
+      - uses: rustsec/audit-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 59f3e4eee..7ba1c04db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
 
     runs-on: ${{ matrix.platform.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Cache cargo folder
         uses: actions/cache@v1
@@ -50,9 +50,9 @@ jobs:
           path: ~/.cargo
           key: ${{ matrix.platform.target }}-cargo-${{ matrix.rust_version }}
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          target: ${{ matrix.platform.target }}
+          targets: ${{ matrix.platform.target }}
           toolchain: ${{ matrix.rust_version }}
 
       - name: Install Gtk (ubuntu only)
@@ -108,13 +108,13 @@ jobs:
           !contains(matrix.platform.target, 'ios'))
         run: cargo $CMD test --verbose --target ${{ matrix.platform.target }} $OPTIONS --features serde,$FEATURES
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         if: (
           !contains(matrix.platform.target, 'android') &&
           !contains(matrix.platform.target, 'ios'))
         with:
           toolchain: nightly
-          target: ${{ matrix.platform.target }}
+          targets: ${{ matrix.platform.target }}
           components: miri
 
       - name: Run tests with miri
@@ -127,7 +127,7 @@ jobs:
   test_tao_macros:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Cache cargo folder
         uses: actions/cache@v1
@@ -135,9 +135,7 @@ jobs:
           path: ~/.cargo
           key: ${{ matrix.platform.target }}-cargo-${{ matrix.rust_version }}
 
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
+      - uses: dtolnay/rust-toolchain@stable
 
       - name: Run tests
         shell: bash
@@ -147,12 +145,8 @@ jobs:
     name: fmt check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
-      - name: fmt check
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+      - run: cargo fmt --all -- --check
diff --git a/.github/workflows/covector-status.yml b/.github/workflows/covector-status.yml
index d3ed493fe..a2dc2c431 100644
--- a/.github/workflows/covector-status.yml
+++ b/.github/workflows/covector-status.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: covector status
diff --git a/.github/workflows/covector-version-or-publish.yml b/.github/workflows/covector-version-or-publish.yml
index 1ad0dbef8..93a9fc1f3 100644
--- a/.github/workflows/covector-version-or-publish.yml
+++ b/.github/workflows/covector-version-or-publish.yml
@@ -16,7 +16,7 @@ jobs:
       successfulPublish: ${{ steps.covector.outputs.successfulPublish }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: cargo login