diff --git a/.github/workflows/tech_matrix_prep.yml b/.github/workflows/tech_matrix_prep.yml
index 997c81db..538452e6 100644
--- a/.github/workflows/tech_matrix_prep.yml
+++ b/.github/workflows/tech_matrix_prep.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: get current technology matrix
         id: getTechMatrix
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 3093da4f..f623c7a6 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -8,7 +8,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -26,7 +26,7 @@ jobs:
         python-version: [ "3.12" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -44,7 +44,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -65,7 +65,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -83,7 +83,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -107,7 +107,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -127,7 +127,7 @@ jobs:
         python-version: [ "3.13" ]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6