diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df06999..e34c03c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,14 +13,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ 3.9, "3.10", "3.11", "3.12" ]
+        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
         engine: [ jNeuroML, jNeuroML_NEURON, jNeuroML_NetPyNE, jNeuroML_validate, jNeuroML_PyNN_NEURON ]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Set up Python  ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version:  ${{ matrix.python-version }}
 
diff --git a/.github/workflows/non_omv.yml b/.github/workflows/non_omv.yml
index 4254e60..9378aa2 100644
--- a/.github/workflows/non_omv.yml
+++ b/.github/workflows/non_omv.yml
@@ -13,13 +13,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ 3.9, "3.11", "3.12" , "3.13" ]
+        python-version: [ "3.11", "3.12" , "3.13" ]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Set up Python  ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version:  ${{ matrix.python-version }}