diff --git a/.github/workflows/check-whitespace.yaml b/.github/workflows/check-whitespace.yaml
index 75f0afe47..abc57dab6 100644
--- a/.github/workflows/check-whitespace.yaml
+++ b/.github/workflows/check-whitespace.yaml
@@ -9,7 +9,10 @@ on:
 
 jobs:
   check-whitespace:
-    runs-on: ubuntu-latest
+    runs-on: 
+       - self-hosted
+       - linux
+       - x64
     steps:
     - uses: actions/checkout@v4
       with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 541b72015..e64508549 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,9 @@ on:
 
 jobs:
   test:
-    runs-on: ${{ matrix.os }}
+    runs-on:
+      group: xmis
+      labels: [self-hosted, ubuntu-latest]
     strategy:
       fail-fast: false
       matrix:
@@ -90,9 +92,14 @@ jobs:
           echo "module=${module}" >> "$GITHUB_OUTPUT"
           echo "version=${version}" >> "$GITHUB_OUTPUT"
           echo "testpath=${testpath}" >> "$GITHUB_OUTPUT"
-
-          NJS_VERSION=$(sed -n "s/NJS_VERSION := \(.*\)/\1/p" pkg/contrib/src/njs/version)
-          echo "njs_version=${NJS_VERSION}" >> "$GITHUB_OUTPUT"
+          if [ -f pkg/contrib/src/njs/version ]; then
+            NJS_VERSION=$(sed -n "s/NJS_VERSION := \(.*\)/\1/p" pkg/contrib/src/njs/version)
+            echo "njs_version=${NJS_VERSION}" >> "$GITHUB_OUTPUT"
+          else
+            echo "Warning: pkg/contrib/src/njs/version not found"
+          fi
+          # NJS_VERSION=$(sed -n "s/NJS_VERSION := \(.*\)/\1/p" pkg/contrib/src/njs/version)
+          # echo "njs_version=${NJS_VERSION}" >> "$GITHUB_OUTPUT"
 
           cat "$GITHUB_OUTPUT"
 
@@ -340,13 +347,16 @@ jobs:
       # Ensure all users and processes can execute
       - name: Fix permissions
         run: |
-          sudo chmod -R +x /home/runner
-          namei -l ${{ github.workspace }}
+          sudo chmod -R +x "$GITHUB_WORKSPACE"
+          namei -l "$GITHUB_WORKSPACE"
+#        run: |
+#          sudo chmod -R +x /home/runner
+#          namei -l ${{ github.workspace }}
 
       # Install python3 if not present
       - uses: actions/setup-python@v5
         with:
-          python-version: '3'
+          python-version: '3.14'
         if: steps.metadata.outputs.module != 'wasm' &&
             steps.metadata.outputs.module != 'wasm-wasi-component'
 
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index dc89c0b26..1ba6d3d1d 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -9,7 +9,11 @@ on:
 permissions: {}
 jobs:
   Fuzzing:
-    runs-on: ubuntu-latest
+    runs-on: 
+       - self-hosted
+       - linux
+       - x64
+#    runs-on: ubuntu-latest
     permissions:
       security-events: write
     steps:
@@ -27,7 +31,7 @@ jobs:
         fuzz-seconds: 300
         output-sarif: true
     - name: Upload Crash
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: failure() && steps.build.outcome == 'success'
       with:
         name: artifacts