diff --git a/.github/supported-python-versions.json b/.github/supported-python-versions.json
new file mode 100644
index 0000000000..403eeecd14
--- /dev/null
+++ b/.github/supported-python-versions.json
@@ -0,0 +1,2 @@
+["3.10", "3.11", "3.12", "3.13", "3.14"]
+
diff --git a/.github/workflows/_run-e2e-single.yaml b/.github/workflows/_run-e2e-single.yaml
index 06eca8cc12..97fa6b5705 100644
--- a/.github/workflows/_run-e2e-single.yaml
+++ b/.github/workflows/_run-e2e-single.yaml
@@ -9,6 +9,10 @@ on:
       image-name:
         required: true
         type: string
+      python-versions:
+        required: true
+        type: string
+        description: JSON array of Python versions
 
 jobs:
   run-e2e:
@@ -19,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ${{ fromJson(vars.SDK_SUPPORTED_PYTHON_VERSIONS) }}
+        python-version: ${{ fromJson(inputs.python-versions) }}
 
     steps:
       - name: Check-out repository
@@ -80,4 +84,4 @@ jobs:
 
           done
           echo "Tests failed after 3 attempts"
-          exit 1
\ No newline at end of file
+          exit 1
diff --git a/.github/workflows/compatibility.yml b/.github/workflows/compatibility.yml
index af001a32ee..eb333b4126 100644
--- a/.github/workflows/compatibility.yml
+++ b/.github/workflows/compatibility.yml
@@ -8,13 +8,25 @@ on:
       - "pyproject.toml"
 
 jobs:
+  read-python-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python-versions: ${{ steps.read-versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: read-versions
+        run: |
+          versions=$(cat .github/supported-python-versions.json)
+          echo "versions=$versions" >> $GITHUB_OUTPUT
+
   compatibility:
+    needs: read-python-versions
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        python-version: ${{ fromJson(vars.SDK_SUPPORTED_PYTHON_VERSIONS) }}
+        python-version: ${{ fromJson(needs.read-python-versions.outputs.python-versions) }}
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/e2e-subtensor-tests.yaml b/.github/workflows/e2e-subtensor-tests.yaml
index dc9d20dba8..4379911082 100644
--- a/.github/workflows/e2e-subtensor-tests.yaml
+++ b/.github/workflows/e2e-subtensor-tests.yaml
@@ -71,6 +71,18 @@ jobs:
           echo "Found tests: $test_matrix"
           echo "test-files=$test_matrix" >> "$GITHUB_OUTPUT"
 
+  # Read Python versions
+  read-python-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python-versions: ${{ steps.read-versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: read-versions
+        run: |
+          versions=$(cat .github/supported-python-versions.json)
+          echo "versions=$versions" >> $GITHUB_OUTPUT
+
   # Pull docker image
   pull-docker-image:
     runs-on: ubuntu-latest
@@ -82,16 +94,16 @@ jobs:
         run: |
           echo "Event: $GITHUB_EVENT_NAME"
           echo "Branch: $GITHUB_REF_NAME"
-          
+
           echo "Reading labels ..."
           if [[ "${GITHUB_EVENT_NAME}" == "pull_request" ]]; then
             labels=$(jq -r '.pull_request.labels[].name' "$GITHUB_EVENT_PATH")
           else
             labels=""
           fi
-    
+
           image=""
-    
+
           for label in $labels; do
             echo "Found label: $label"
             case "$label" in
@@ -147,6 +159,7 @@ jobs:
     needs:
       - find-tests
       - pull-docker-image
+      - read-python-versions
     strategy:
       fail-fast: false
       max-parallel: 16
@@ -156,4 +169,5 @@ jobs:
     with:
       nodeid: ${{ matrix.nodeid }}
       image-name: ${{ needs.pull-docker-image.outputs.image-name }}
+      python-versions: ${{ needs.read-python-versions.outputs.python-versions }}
     secrets: inherit
diff --git a/.github/workflows/flake8-and-mypy.yml b/.github/workflows/flake8-and-mypy.yml
index 8f30259c04..9638d08ff8 100644
--- a/.github/workflows/flake8-and-mypy.yml
+++ b/.github/workflows/flake8-and-mypy.yml
@@ -7,7 +7,19 @@ on:
     types: [opened, synchronize, reopened, edited]
 
 jobs:
+  read-python-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python-versions: ${{ steps.read-versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: read-versions
+        run: |
+          versions=$(cat .github/supported-python-versions.json)
+          echo "versions=$versions" >> $GITHUB_OUTPUT
+
   linters:
+    needs: read-python-versions
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
@@ -15,7 +27,7 @@ jobs:
       fail-fast: false
       max-parallel: 5
       matrix:
-        python-version: ${{ fromJson(vars.SDK_SUPPORTED_PYTHON_VERSIONS) }}
+        python-version: ${{ fromJson(needs.read-python-versions.outputs.python-versions) }}
 
     steps:
       - name: Checkout repository
@@ -47,4 +59,4 @@ jobs:
         run: uv run flake8 bittensor/ --count
 
       - name: Mypy
-        run: uv run mypy --ignore-missing-imports bittensor/
\ No newline at end of file
+        run: uv run mypy --ignore-missing-imports bittensor/
diff --git a/.github/workflows/monitor_requirements_size_master.yml b/.github/workflows/monitor_requirements_size_master.yml
index 8315c8190a..1cebb907e6 100644
--- a/.github/workflows/monitor_requirements_size_master.yml
+++ b/.github/workflows/monitor_requirements_size_master.yml
@@ -14,12 +14,24 @@ permissions:
   contents: read
 
 jobs:
+  read-python-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python-versions: ${{ steps.read-versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: read-versions
+        run: |
+          versions=$(cat .github/supported-python-versions.json)
+          echo "versions=$versions" >> $GITHUB_OUTPUT
+
   measure-venv:
+    needs: read-python-versions
     if: github.event_name == 'pull_request' && github.base_ref == 'master' || contains( github.event.pull_request.labels.*.name, 'show-venv-size')
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ${{ fromJson(vars.SDK_SUPPORTED_PYTHON_VERSIONS) }}
+        python-version: ${{ fromJson(needs.read-python-versions.outputs.python-versions) }}
     outputs:
       py310: ${{ steps.set-output.outputs.py310 }}
       py311: ${{ steps.set-output.outputs.py311 }}
diff --git a/.github/workflows/unit-and-integration-tests.yml b/.github/workflows/unit-and-integration-tests.yml
index 3e2338facd..507a48c098 100644
--- a/.github/workflows/unit-and-integration-tests.yml
+++ b/.github/workflows/unit-and-integration-tests.yml
@@ -7,7 +7,19 @@ on:
     types: [opened, synchronize, reopened, edited]
 
 jobs:
+  read-python-versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python-versions: ${{ steps.read-versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: read-versions
+        run: |
+          versions=$(cat .github/supported-python-versions.json)
+          echo "versions=$versions" >> $GITHUB_OUTPUT
+
   unit-and-integration-tests:
+    needs: read-python-versions
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
@@ -15,7 +27,7 @@ jobs:
       fail-fast: false
       max-parallel: 5
       matrix:
-        python-version: ${{ fromJson(vars.SDK_SUPPORTED_PYTHON_VERSIONS) }}
+        python-version: ${{ fromJson(needs.read-python-versions.outputs.python-versions) }}
 
     steps:
       - name: Checkout repository
@@ -56,4 +68,4 @@ jobs:
         env:
           PYTHONUNBUFFERED: "1"
         run: |
-          uv run pytest -n 2 tests/integration_tests/ --reruns 3
\ No newline at end of file
+          uv run pytest -n 2 tests/integration_tests/ --reruns 3