diff --git a/.github/workflows/benchmark_on_push.yml b/.github/workflows/benchmark_on_push.yml
index 07747af58c..126f4d3a09 100644
--- a/.github/workflows/benchmark_on_push.yml
+++ b/.github/workflows/benchmark_on_push.yml
@@ -13,7 +13,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.8
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index 6280387e53..8d029d3bc5 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: [3.8]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Get current date
         run: |
diff --git a/.github/workflows/lychee_url_checker.yml b/.github/workflows/lychee_url_checker.yml
index a6735d2806..d727ca0784 100644
--- a/.github/workflows/lychee_url_checker.yml
+++ b/.github/workflows/lychee_url_checker.yml
@@ -24,7 +24,7 @@ jobs:
           restore-keys: cache-lychee-
 
       # check URLs with Lychee
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # use stable version for now to avoid breaking changes
       - name: Lychee URL checker
diff --git a/.github/workflows/periodic_benchmarks.yml b/.github/workflows/periodic_benchmarks.yml
index 239f5fa5bb..ce0ad37cd2 100644
--- a/.github/workflows/periodic_benchmarks.yml
+++ b/.github/workflows/periodic_benchmarks.yml
@@ -19,7 +19,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.8
         uses: actions/setup-python@v4
         with:
@@ -58,7 +58,7 @@ jobs:
       - name: Install asv
         run: pip install asv
       - name: Checkout pybamm-bench repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: pybamm-team/pybamm-bench
           token: ${{ secrets.BENCH_PAT }}
diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index 6d89da1387..54dd70d5a7 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -19,7 +19,7 @@ jobs:
     name: Build wheels on windows-latest
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.8
@@ -74,7 +74,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.8
@@ -135,7 +135,7 @@ jobs:
         python-version: [3.8]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/run_benchmarks_over_history.yml b/.github/workflows/run_benchmarks_over_history.yml
index 9cdcc0b2c0..6752e38800 100644
--- a/.github/workflows/run_benchmarks_over_history.yml
+++ b/.github/workflows/run_benchmarks_over_history.yml
@@ -22,7 +22,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.8
         uses: actions/setup-python@v4
         with:
@@ -59,7 +59,7 @@ jobs:
       - name: Install asv
         run: pip install asv
       - name: Checkout pybamm-bench repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: pybamm-team/pybamm-bench
           token: ${{ secrets.BENCH_PAT }}
diff --git a/.github/workflows/run_periodic_tests.yml b/.github/workflows/run_periodic_tests.yml
index f70a748800..663eb5cfca 100644
--- a/.github/workflows/run_periodic_tests.yml
+++ b/.github/workflows/run_periodic_tests.yml
@@ -32,7 +32,7 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup python
         uses: actions/setup-python@v4
         with:
@@ -53,7 +53,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
@@ -127,7 +127,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install python & create virtualenv
         shell: bash
         run: |
diff --git a/.github/workflows/test_on_push.yml b/.github/workflows/test_on_push.yml
index 2fd4c92b2e..839d53306f 100644
--- a/.github/workflows/test_on_push.yml
+++ b/.github/workflows/test_on_push.yml
@@ -16,7 +16,7 @@ jobs:
   style:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Check out PyBaMM repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install and cache apt packages
       - name: Install Linux system dependencies
@@ -123,7 +123,7 @@ jobs:
 
     steps:
       - name: Check out PyBaMM repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install and cache apt packages
       - name: Install Linux system dependencies
@@ -186,7 +186,7 @@ jobs:
 
     steps:
       - name: Check out PyBaMM repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install and cache apt packages
       - name: Install Linux system dependencies
@@ -266,7 +266,7 @@ jobs:
 
     steps:
       - name: Check out PyBaMM repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install and cache apt packages
       - name: Install Linux system dependencies
@@ -327,7 +327,7 @@ jobs:
 
     steps:
       - name: Check out PyBaMM repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install and cache apt packages
       - name: Install Linux system dependencies
diff --git a/.github/workflows/update_license.yml b/.github/workflows/update_license.yml
index 718b24e6b7..4712b5dd94 100644
--- a/.github/workflows/update_license.yml
+++ b/.github/workflows/update_license.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository_owner == 'pybamm-team'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Update year in license
@@ -28,7 +28,7 @@ jobs:
     needs: license
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Update year in docs
diff --git a/.github/workflows/update_version.yml b/.github/workflows/update_version.yml
index c205603c88..7488c40aa2 100644
--- a/.github/workflows/update_version.yml
+++ b/.github/workflows/update_version.yml
@@ -13,7 +13,7 @@ jobs:
         python-version: [3.8]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
diff --git a/.github/workflows/work_precision_sets.yml b/.github/workflows/work_precision_sets.yml
index 5be4d079f8..87eb068947 100644
--- a/.github/workflows/work_precision_sets.yml
+++ b/.github/workflows/work_precision_sets.yml
@@ -9,7 +9,7 @@ jobs:
   benchmarks_on_release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup python
         uses: actions/setup-python@v4
         with: