diff --git a/.github/workflows/__check_pr_title.yaml b/.github/workflows/__check_pr_title.yaml
index 1ff6c5ff..451ad9e2 100644
--- a/.github/workflows/__check_pr_title.yaml
+++ b/.github/workflows/__check_pr_title.yaml
@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check semantic version prefix
         run: python3 _check_semantic_version_prefix.py
         env:
diff --git a/.github/workflows/__lint.yaml b/.github/workflows/__lint.yaml
index bfe774c1..7af0ef55 100644
--- a/.github/workflows/__lint.yaml
+++ b/.github/workflows/__lint.yaml
@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install actionlint
         id: install
         run: |
diff --git a/.github/workflows/__release.yaml b/.github/workflows/__release.yaml
index ce84bb87..b608bf74 100644
--- a/.github/workflows/__release.yaml
+++ b/.github/workflows/__release.yaml
@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Check semantic version prefix for latest commit
diff --git a/.github/workflows/build_charm_without_cache.yaml b/.github/workflows/build_charm_without_cache.yaml
index 0e2af064..14bcfa6d 100644
--- a/.github/workflows/build_charm_without_cache.yaml
+++ b/.github/workflows/build_charm_without_cache.yaml
@@ -70,7 +70,7 @@ jobs:
         id: lxd-snap-version
         run: parse-snap-version --revision='${{ inputs.lxd-snap-revision }}' --channel='${{ inputs.lxd-snap-channel }}' --revision-input-name=lxd-snap-revision --channel-input-name=lxd-snap-channel
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up environment
         run: |
           # Placeholder (so that shellcheck disable does not apply to entire script)
diff --git a/.github/workflows/build_charms_with_cache.yaml b/.github/workflows/build_charms_with_cache.yaml
index f695bad1..0a208e8d 100644
--- a/.github/workflows/build_charms_with_cache.yaml
+++ b/.github/workflows/build_charms_with_cache.yaml
@@ -60,7 +60,7 @@ jobs:
       - name: Install CLI
         run: pipx install git+https://github.com/canonical/data-platform-workflows@'${{ needs.get-workflow-version.outputs.version }}'#subdirectory=python/cli
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Collect charms to build from charmcraft.yaml file(s)
         id: collect
         run: collect-charms
@@ -87,7 +87,7 @@ jobs:
         id: lxd-snap-version
         run: parse-snap-version --revision='${{ inputs.lxd-snap-revision }}' --channel='${{ inputs.lxd-snap-channel }}' --revision-input-name=lxd-snap-revision --channel-input-name=lxd-snap-channel
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up environment
         run: |
           # Placeholder (so that shellcheck disable does not apply to entire script)
diff --git a/.github/workflows/build_snap_without_cache.yaml b/.github/workflows/build_snap_without_cache.yaml
index 4e89b532..0319dc7d 100644
--- a/.github/workflows/build_snap_without_cache.yaml
+++ b/.github/workflows/build_snap_without_cache.yaml
@@ -29,7 +29,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up environment
         run: |
           sudo adduser "$USER" lxd
diff --git a/.github/workflows/integration_test_charm.yaml b/.github/workflows/integration_test_charm.yaml
index aefeff29..8f945634 100644
--- a/.github/workflows/integration_test_charm.yaml
+++ b/.github/workflows/integration_test_charm.yaml
@@ -98,7 +98,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install tox & poetry
         run: |
           pipx install tox
@@ -200,7 +200,7 @@ jobs:
           with open(os.environ["GITHUB_OUTPUT"], "a") as file:
               file.write(output)
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up environment
         run: |
           # `--classic` applies to juju 2 snap; ignored for juju 3 snap
diff --git a/.github/workflows/integration_test_charm_self_hosted.yaml b/.github/workflows/integration_test_charm_self_hosted.yaml
index 906ef381..e62a57e7 100644
--- a/.github/workflows/integration_test_charm_self_hosted.yaml
+++ b/.github/workflows/integration_test_charm_self_hosted.yaml
@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install tox & poetry
         run: |
           pipx install tox
@@ -179,7 +179,7 @@ jobs:
           with open(os.environ["GITHUB_OUTPUT"], "a") as file:
               file.write(output)
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up environment
         run: |
           # `--classic` applies to juju 2 snap; ignored for juju 3 snap
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 6840fe1a..2b71e388 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install actionlint
         id: install
         run: |
@@ -30,7 +30,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install tox & poetry
         run: |
           pipx install tox
diff --git a/.github/workflows/release_charm.yaml b/.github/workflows/release_charm.yaml
index 00f0f844..2a9b902a 100644
--- a/.github/workflows/release_charm.yaml
+++ b/.github/workflows/release_charm.yaml
@@ -65,7 +65,7 @@ jobs:
         run: sudo snap install charmcraft --classic ${{ steps.charmcraft-snap-version.outputs.install_flag }}
       - run: snap list
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download charm package(s)
         uses: actions/download-artifact@v3
         with:
diff --git a/.github/workflows/update_bundle.yaml b/.github/workflows/update_bundle.yaml
index 216870e0..47397896 100644
--- a/.github/workflows/update_bundle.yaml
+++ b/.github/workflows/update_bundle.yaml
@@ -51,7 +51,7 @@ jobs:
       - name: Install CLI
         run: pipx install git+https://github.com/canonical/data-platform-workflows@'${{ needs.get-workflow-version.outputs.version }}'#subdirectory=python/cli
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.token }}
       - name: Update bundle file