diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 48f10cce..4db9621c 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -108,7 +108,7 @@ jobs:
       # working-directory: ./${{ matrix.package-name }}
       run: |
         python -m pip install --upgrade pip
-        python -m pip install pytest yapf toml
+
 
         DEPS="${{ matrix.dependencies || '' }}"
 
@@ -121,6 +121,10 @@ jobs:
 
         echo "Installing main package..."
         python -m pip install ./${{ matrix.package-name }}/[test]
+        # LWS Install setuptools first to provide pkg_resources for older plugins
+        python -m pip install setuptools
+        python -m pip install "pytest>=8.0.0" yapf toml "pytest-html>=4.0.0"
+        
     - name: Lint with yapf
       # working-directory: ./${{ matrix.package-name }}
       run: |
diff --git a/geos-geomechanics/pyproject.toml b/geos-geomechanics/pyproject.toml
index be5ca963..62944402 100644
--- a/geos-geomechanics/pyproject.toml
+++ b/geos-geomechanics/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies=[
     "geos-utils",
-    "vtk >= 9.3",
+    "vtk >= 9.3, < 9.6",
     "numpy >= 2.2",
     "pandas >= 2.2",
     "typing_extensions >= 4.12",
diff --git a/geos-mesh/pyproject.toml b/geos-mesh/pyproject.toml
index 06f278e6..e0138b0c 100644
--- a/geos-mesh/pyproject.toml
+++ b/geos-mesh/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
 requires-python = ">=3.10"
 
 dependencies = [
-    "vtk >= 9.3",
+    "vtk >= 9.3, < 9.6",
     "networkx >= 2.4",
     "tqdm >= 4.67",
     "numpy >= 2.2",
diff --git a/geos-processing/pyproject.toml b/geos-processing/pyproject.toml
index 13391180..2e18ef4c 100644
--- a/geos-processing/pyproject.toml
+++ b/geos-processing/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "geos-geomechanics",
     "geos-utils",
     "geos-mesh",
-    "vtk >= 9.3",
+    "vtk >= 9.3, < 9.6",
     "numpy >= 2.2",
     "typing_extensions >= 4.12",
 ]
@@ -44,6 +44,7 @@ Documentation = "https://geosx-geosx.readthedocs-hosted.com/projects/geosx-geosp
 Repository = "https://github.com/GEOS-DEV/geosPythonPackages.git"
 "Bug Tracker" = "https://github.com/GEOS-DEV/geosPythonPackages/issues"
 
+
 [project.optional-dependencies]
 build = [
   "build ~= 1.2"
diff --git a/geos-trame/pyproject.toml b/geos-trame/pyproject.toml
index 4e93319b..73d7a028 100644
--- a/geos-trame/pyproject.toml
+++ b/geos-trame/pyproject.toml
@@ -30,6 +30,7 @@ keywords = [
 ]
 
 dependencies = [
+    "setuptools",
     "typing-extensions==4.12.2",
     "trame==3.6.5",
     "trame-vuetify==2.7.1",
@@ -66,6 +67,7 @@ dev = [
     "pre-commit"
 ]
 test = [
+    "setuptools",
     "pytest==8.3.3",
     "pytest-seleniumbase==4.31.6",
     "pixelmatch==0.3.0",
diff --git a/geos-trame/tests/requirements.txt b/geos-trame/tests/requirements.txt
index bf9d17bc..afd7aff2 100644
--- a/geos-trame/tests/requirements.txt
+++ b/geos-trame/tests/requirements.txt
@@ -1,3 +1,4 @@
 pytest
 pytest-seleniumbase
 pytest-xprocess
+setuptools