diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index 261dd501..1de3939a 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -9,7 +9,7 @@ on:
       - main
 
 env:
-  MAIN_PYTHON_VERSION: '3.7'
+  MAIN_PYTHON_VERSION: '3.9'
   DOC_PYTHON_VERSION: '3.9'
   DOCUMENTATION_CNAME: 'rep.docs.pyansys.com'
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index b9cf92f9..b1d76141 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -5,7 +5,7 @@ on:
   - cron: "0 2 * * *"
 
 env:
-  MAIN_PYTHON_VERSION: '3.7'
+  MAIN_PYTHON_VERSION: '3.9'
   DOC_PYTHON_VERSION: '3.9'
 
 concurrency:
@@ -39,7 +39,7 @@ jobs:
         # os: [windows-latest, ubuntu-latest]
         os: [ubuntu-latest]
         cfg:
-          - {python-version: "3.7", toxenv: "py37"}
+          - {python-version: "3.9", toxenv: "py39"}
           - {python-version: "3.11", toxenv: "py311"}
       fail-fast: false
 
@@ -122,7 +122,7 @@ jobs:
           python -m pip install --upgrade pip setuptools tox tox-gh-actions
 
       - name: Test with tox
-        run: tox -e py37-witheval 
+        run: tox -e py39-witheval 
         env:
           REP_TEST_URL: https://repkube.westeurope.cloudapp.azure.com/dev/rep
           REP_TEST_USERNAME: repbuild
diff --git a/requirements/requirements_build.txt b/requirements/requirements_build.txt
index d30c0ffd..bce5d1b4 100644
--- a/requirements/requirements_build.txt
+++ b/requirements/requirements_build.txt
@@ -1,3 +1,3 @@
-build==0.10.0
+build==1.0.3
 twine==4.0.2
 wheel
\ No newline at end of file
diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index 3853ef08..dd20fc4c 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -1,9 +1,9 @@
-Sphinx==5.3.0
+Sphinx==7.2.6
 numpydoc==1.5.0
-ansys-sphinx-theme==0.9.9
+ansys-sphinx-theme==0.12.2
 sphinx-copybutton==0.5.2
 apispec==6.3.0
 sphinxcontrib-httpdomain==1.8.1
 sphinxcontrib-globalsubs==0.1.1
 sphinxnotes-strike==1.2
-sphinx-autodoc-typehints==1.23.0
+sphinx-autodoc-typehints==1.24.0
diff --git a/requirements/requirements_tests.txt b/requirements/requirements_tests.txt
index 16eae74d..4220a11c 100644
--- a/requirements/requirements_tests.txt
+++ b/requirements/requirements_tests.txt
@@ -1,2 +1,2 @@
-pytest==7.4.0
+pytest==7.4.2
 pytest-cov==4.1.0
diff --git a/tox.ini b/tox.ini
index 4b4f29eb..c622138e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,17 +1,16 @@
 [tox]
 description = Default tox environments list
 envlist =
-    style,{py37,py38,py39,py310}{,-coverage},doc
+    style,{py39,py310,py311,py312}{,-coverage},doc
 skip_missing_interpreters = true
 
 [testenv]
 description = Checks for project unit tests and coverage (if desired)
 basepython =
-    py37: python3.7
-    py38: python3.8
     py39: python3.9
     py310: python3.10
     py311: python3.11
+    py312: python3.12
     py: python3
     {style,reformat,doc,build}: python3
 passenv = REP_TEST_*