diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bcbd52..fd151fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     name: Execute CI script
     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 - Execute CI script
     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:
@@ -33,7 +33,7 @@ jobs:
     name: Check links
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Link Checker
       uses: peter-evans/link-checker@v1
       with:
@@ -45,7 +45,7 @@ jobs:
     name: Check for mismatched dependencies (those that have more than one version)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Install latest Rust
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 047cd34..172ffcf 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -15,13 +15,14 @@ jobs:
     name: Check for unused dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ref: "${{ 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
@@ -31,13 +32,14 @@ jobs:
     name: Check for crates with security vulnerabilities
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Install latest Rust
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly
+          rustflags: ""
       - name: Install cargo audit
         run: cargo install cargo-audit
       - name: Execute cargo audit
@@ -47,7 +49,7 @@ jobs:
     name: Execute CI script with next branch
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Install Rust MSRV