diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d2d5c416..a0ef2fcf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
         python-version: ['3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/cffconvert.yml b/.github/workflows/cffconvert.yml
index 9c59667e..09ac6f00 100644
--- a/.github/workflows/cffconvert.yml
+++ b/.github/workflows/cffconvert.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out a copy of the repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check whether the citation metadata from CITATION.cff is valid
         uses: citation-file-format/cffconvert-github-action@2.0.0
diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index 2fac6808..1bba1cb9 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -13,7 +13,7 @@ jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Link Checker
         id: lychee
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 80e470da..cd6043fa 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
         python-version: ['3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddCFFConvert %}cffconvert.yml{% endif %} b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddCFFConvert %}cffconvert.yml{% endif %}
index 6a48b2e1..f94f787f 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddCFFConvert %}cffconvert.yml{% endif %}	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddCFFConvert %}cffconvert.yml{% endif %}	
@@ -14,7 +14,7 @@ jobs:
     name: "cffconvert"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         name: Check out a copy of the repository
 
       - name: Check whether the citation metadata from CITATION.cff is valid
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionBuild %}build.yml{% endif %}.jinja b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionBuild %}build.yml{% endif %}.jinja
index 29ad2602..4bddbb36 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionBuild %}build.yml{% endif %}.jinja	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionBuild %}build.yml{% endif %}.jinja	
@@ -19,7 +19,7 @@ jobs:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
         python-version: ['3.10', '3.11', '3.12']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ '{{ ' -}} matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python 3.12
         uses: actions/setup-python@v6
         with:
@@ -70,7 +70,7 @@ jobs:
     name: Type checking
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python 3.12
         uses: actions/setup-python@v6
         with:
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionDocumentation %}documentation.yml{% endif %} b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionDocumentation %}documentation.yml{% endif %}
index c89ba509..af2d22b3 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionDocumentation %}documentation.yml{% endif %}	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddGitHubActionDocumentation %}documentation.yml{% endif %}	
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python 3.12
         uses: actions/setup-python@v6
         with:
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddLinkCheck %}link-check.yml{% endif %} b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddLinkCheck %}link-check.yml{% endif %}
index e20ea400..4e58d77d 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddLinkCheck %}link-check.yml{% endif %}	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddLinkCheck %}link-check.yml{% endif %}	
@@ -19,7 +19,7 @@ jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Link Checker
         id: lychee
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddSonarCloud %}sonarcloud.yml{% endif %} b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddSonarCloud %}sonarcloud.yml{% endif %}
index d93e1c23..c28505a4 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddSonarCloud %}sonarcloud.yml{% endif %}	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if AddSonarCloud %}sonarcloud.yml{% endif %}	
@@ -15,7 +15,7 @@ jobs:
     name: SonarCloud
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
       - name: Set up Python
diff --git a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if HasWorkflows %}next_steps.yml{% endif %}.jinja b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if HasWorkflows %}next_steps.yml{% endif %}.jinja
index 1bd1d09c..2adfd885 100644
--- a/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if HasWorkflows %}next_steps.yml{% endif %}.jinja	
+++ b/template/{% if HasWorkflows %}.github{% endif %}/workflows/{% if HasWorkflows %}next_steps.yml{% endif %}.jinja	
@@ -7,7 +7,7 @@ jobs:
   next_steps:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
 {%- if AddCitation %}
       - name: Create citation data issue