diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 57447fd08..128309857 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -13,7 +13,7 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 4b6147787..d0540a783 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -17,7 +17,7 @@ jobs:
   packages:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/test_code.yml b/.github/workflows/test_code.yml
index bccb2b4e1..3a22685b1 100644
--- a/.github/workflows/test_code.yml
+++ b/.github/workflows/test_code.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/test_code_notebooks.yml b/.github/workflows/test_code_notebooks.yml
index 178305181..577ff7b4d 100644
--- a/.github/workflows/test_code_notebooks.yml
+++ b/.github/workflows/test_code_notebooks.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/test_latest_branca.yml b/.github/workflows/test_latest_branca.yml
index a8f88ae85..6a93ef54f 100644
--- a/.github/workflows/test_latest_branca.yml
+++ b/.github/workflows/test_latest_branca.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/test_mypy.yml b/.github/workflows/test_mypy.yml
index 7de624a8d..ab4e71570 100644
--- a/.github/workflows/test_mypy.yml
+++ b/.github/workflows/test_mypy.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/test_selenium.yml b/.github/workflows/test_selenium.yml
index 7fc97049c..0899280ac 100644
--- a/.github/workflows/test_selenium.yml
+++ b/.github/workflows/test_selenium.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1
diff --git a/.github/workflows/test_style_notebooks.yml b/.github/workflows/test_style_notebooks.yml
index 7fc4d4336..b2f3cf1cd 100644
--- a/.github/workflows/test_style_notebooks.yml
+++ b/.github/workflows/test_style_notebooks.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Micromamba env
       uses: mamba-org/setup-micromamba@v1