diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index f3abde67..4442d305 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -21,6 +21,7 @@ env:
   # It applies 7 days retention policy by default.
   RESET_EXAMPLES_CACHE: 0
   ANSYSLMD_LICENSE_FILE: ${{ format('1055@{0}', secrets.LICENSE_SERVER) }}
+  MAIN_PYTHON_VERSION: '3.9'
   PYFLUENT_TIMEOUT_FORCE_EXIT: 5
   PYFLUENT_LAUNCH_CONTAINER: 1
 
@@ -50,7 +51,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11']
       fail-fast: false
 
     steps:
@@ -88,7 +89,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: ${{ env.MAIN_PYTHON_VERSION }}
 
       - name: Install OS packages
         run: |
@@ -155,7 +156,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: ${{ env.MAIN_PYTHON_VERSION }}
 
       - name: Add version information
         run: make version-info
@@ -185,7 +186,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: ${{ env.MAIN_PYTHON_VERSION }}
 
       - uses: actions/download-artifact@v3
 
diff --git a/.github/workflows/nightly-test-run.yml b/.github/workflows/nightly-test-run.yml
index ceb08aa1..988b3548 100644
--- a/.github/workflows/nightly-test-run.yml
+++ b/.github/workflows/nightly-test-run.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11']
       fail-fast: false
 
     steps:
diff --git a/README.rst b/README.rst
index 52adf427..1f85d4ea 100644
--- a/README.rst
+++ b/README.rst
@@ -50,7 +50,7 @@ the project support team, email `pyansys.core@ansys.com <pyansys.core@ansys.com>
 
 Installation
 ------------
-The ``ansys-fluent-visualization`` package supports Python 3.8 through Python
+The ``ansys-fluent-visualization`` package supports Python 3.9 through Python
 3.11 on Windows and Linux.
 
 If you are using Python 3.10, download and install the wheel file for the ``vtk`` package from
diff --git a/doc/source/getting_started/index.rst b/doc/source/getting_started/index.rst
index 0a4e2c74..e9d40814 100644
--- a/doc/source/getting_started/index.rst
+++ b/doc/source/getting_started/index.rst
@@ -13,7 +13,7 @@ page on the Ansys website.
 ***************
 Install package
 ***************
-The ``ansys-fluent-visualization`` package supports Python 3.8 through
+The ``ansys-fluent-visualization`` package supports Python 3.9 through
 Python 3.11 on Windows and Linux.
 
 Install the latest release from `PyPi
diff --git a/pyproject.toml b/pyproject.toml
index 1118d391..ea025ab3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,8 +23,8 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.8,<4.0"
-importlib-metadata = {version = "^4.0", python = "<3.8"}
+python = ">=3.9,<4.0"
+importlib-metadata = {version = "^4.0", python = "<3.9"}
 ansys-fluent-core = "~=0.14.dev0"
 vtk = ">=9.3.0.rc0"
 pyvista = ">=0.39.0"