diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e78072..e43eca4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     
     steps:
       - name: Checkout pull request branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -56,7 +56,7 @@ jobs:
     
     steps:
       - name: Checkout pull request branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/conda_build.yml b/.github/workflows/conda_build.yml
index b1eedd1..79ae383 100644
--- a/.github/workflows/conda_build.yml
+++ b/.github/workflows/conda_build.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout pull request branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/dispatch_pkgdown_build.yml b/.github/workflows/dispatch_pkgdown_build.yml
index ed763da..2b377d6 100644
--- a/.github/workflows/dispatch_pkgdown_build.yml
+++ b/.github/workflows/dispatch_pkgdown_build.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: main
 
diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index 6879cbc..24a1894 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: main
 
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: main
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 02f41a3..ff1069d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
     if: ${{ github.event.inputs.commit }} == "auto"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.CI_TOKEN }}
           fetch-depth: 0
@@ -82,7 +82,7 @@ jobs:
           fi
 
       - name: Checkout HEAD
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ steps.determine-commit.outputs.commit }}
 
diff --git a/.github/workflows/update-documentation.yml b/.github/workflows/update-documentation.yml
index 9be206c..fdc3c5a 100644
--- a/.github/workflows/update-documentation.yml
+++ b/.github/workflows/update-documentation.yml
@@ -13,7 +13,7 @@ jobs:
     
     steps:
       - name: Checkout pull request branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.CI_TOKEN }}
           fetch-depth: 0