diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a66893b..2127eff 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Build Image
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index af083ab..063feb8 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -13,7 +13,7 @@ jobs:
       run:
         working-directory: netkan
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 2b6bf49..5c54c10 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Login to DockerHub
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Login to DockerHub
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [ 'build', 'webhooks' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.7
         uses: actions/setup-python@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5ecb96b..4daca6a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
   pytest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
diff --git a/netkan/netkan/mod_analyzer.py b/netkan/netkan/mod_analyzer.py
index 73a4853..65560d9 100644
--- a/netkan/netkan/mod_analyzer.py
+++ b/netkan/netkan/mod_analyzer.py
@@ -61,6 +61,8 @@ class ModAnalyzer:
                                             [],               ['B9PartSwitch']),
         CfgAspect(r'^\s*name\s*=\s*ModuleWaterfallFX\b',
                                             ['graphics'],     ['Waterfall']),
+        CfgAspect(r'^\s*VertexMitchellNetravaliHeightMap\b',
+                                            [],               ['VertexMitchellNetravaliHeightMap']),
 
         FilenameAspect(r'\.ks$',            ['config',
                                              'control'],      ['kOS']),