diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 399aa4d72..066c7278a 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: hashicorp/setup-terraform@v2
         with:
           terraform_version: ${{ env.TERRAFORM_VERSION }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.workflow_run.head_branch }}
       # - name: "Push Changed Application Tags"
diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index ee23f9c26..7f3be1fed 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -41,7 +41,7 @@ jobs:
         with:
           otp-version: "26.0.2"
           elixir-version: "1.15.2"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         name: Elixir Deps Cache
         env:
@@ -92,7 +92,7 @@ jobs:
         with:
           otp-version: "26.0.2"
           elixir-version: "1.15.2"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         name: Elixir Deps Cache
         env:
@@ -143,7 +143,7 @@ jobs:
         with:
           otp-version: "26.0.2"
           elixir-version: "1.15.2"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         name: Elixir Deps Cache
         env:
@@ -199,7 +199,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install package dependencies
         run: |
           sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
@@ -322,7 +322,7 @@ jobs:
       - uses: pnpm/action-setup@v2
         with:
           version: 8
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         name: Elixir Deps Cache
         env:
@@ -424,7 +424,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: auth
         uses: google-github-actions/auth@v1
         with:
@@ -484,7 +484,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: auth
         uses: google-github-actions/auth@v1
         with:
diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index a8ccde896..904bc8e67 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Build images
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Build images
diff --git a/.github/workflows/kotlin.yml b/.github/workflows/kotlin.yml
index e778d1acd..528b54af8 100644
--- a/.github/workflows/kotlin.yml
+++ b/.github/workflows/kotlin.yml
@@ -23,7 +23,7 @@ jobs:
       run:
         working-directory: ./kotlin/android
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: temurin
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index c982eb466..ca1cacdf3 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -46,7 +46,7 @@ jobs:
             packages: -p firezone-client-connlib
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # This implicitly triggers installation of the toolchain in the `rust-toolchain.toml` file.
       # If we don't do this here, our cache action will compute a cache key based on the Rust version shipped on GitHub's runner which might differ from the one we use.
@@ -90,7 +90,7 @@ jobs:
       run:
         working-directory: ./rust/relay
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # This implicitly triggers installation of the toolchain in the `rust-toolchain.toml` file.
       # If we don't do this here, our cache action will compute a cache key based on the Rust version shipped on GitHub's runner which might differ from the one we use.
@@ -121,7 +121,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: auth
         uses: google-github-actions/auth@v1
         with:
@@ -180,7 +180,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: auth
         uses: google-github-actions/auth@v1
         with:
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 7924b534d..20d7de20d 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -9,7 +9,7 @@ jobs:
   static-analysis_linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v2
         with:
           python-version: "3.9"
diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 6c1fa479d..2652a2e6c 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -36,7 +36,7 @@ jobs:
       run:
         working-directory: ./swift
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: rustup show
       - uses: Swatinem/rust-cache@v2
         with:
diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index 3c7f18823..90fc09f9f 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -32,7 +32,7 @@ jobs:
       - uses: hashicorp/setup-terraform@v2
         with:
           terraform_version: ${{ env.TERRAFORM_VERSION }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check Formatting
         working-directory: terraform
         run: |