diff --git a/.github/actions/mock_tests/action.yml b/.github/actions/mock_tests/action.yml
index 256762c..41baf45 100644
--- a/.github/actions/mock_tests/action.yml
+++ b/.github/actions/mock_tests/action.yml
@@ -5,7 +5,7 @@ runs:
   using: "composite"
   steps:
     - name: Set up Python 3.7
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.7
     - name: Download Parsec Mock, install dependencies and execute all tests
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7edebb..d0760e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     name: Build and check formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install latest Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
@@ -20,7 +20,7 @@ jobs:
     name: MSRV - Build and check formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust MSRV
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index f421877..6c1b3e6 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -16,13 +16,14 @@ jobs:
     name: Check for unused dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Install latest Rust
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly
+          rustflags: ""
       - name: Install cargo udeps
         run: cargo install cargo-udeps --locked
       - name: Execute cargo udeps
@@ -32,13 +33,14 @@ jobs:
     name: Check for crates with security vulnerabilities
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Install latest Rust
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly
+          rustflags: ""
       - name: Install cargo audit
         run: cargo install cargo-audit
       - name: Execute cargo audit
@@ -48,7 +50,7 @@ jobs:
     name: Calculate coverage from tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Execute tarpaulin