diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index a46b73c66..918b757c9 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -115,7 +115,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         should-release:
           - ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags') }}
         exclude:
@@ -123,8 +123,6 @@ jobs:
             os: macos-latest
           - should-release: false
             os: windows-latest
-          - should-release: false
-            python-version: '3.9'
           - should-release: false
             python-version: '3.11'
           - should-release: false
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index b45eac25b..ec6d24f8f 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -53,7 +53,6 @@ jobs:
       matrix:
           os: ['ubuntu-latest']
           cfg: [
-              { python-version: '3.9', toxenv: 'py39' },
               { python-version: '3.10', toxenv: 'py310' },
               { python-version: '3.11', toxenv: 'py311' },
               { python-version: '3.12', toxenv: 'py312' },
@@ -75,7 +74,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         should-release:
           - ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags') }}
         exclude:
diff --git a/pyproject.toml b/pyproject.toml
index 187c8004c..b3b3e2b58 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ name = "ansys-hps-client"
 version = "0.10.dev0"
 description = "A python client for Ansys HPC Platform Services"
 readme = "README.rst"
-requires-python = ">=3.9,<4.0"
+requires-python = ">=3.10,<4.0"
 license = { file = "LICENSE" }
 authors = [{ name = "ANSYS, Inc.", email = "pyansys.core@ansys.com" }]
 maintainers = [{ name = "ANSYS, Inc.", email = "pyansys.core@ansys.com" }]
@@ -17,7 +17,6 @@ classifiers = [
     "Development Status :: 4 - Beta",
     'Intended Audience :: Science/Research',
     'Topic :: Scientific/Engineering :: Information Analysis',
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",