diff --git a/doc/source/conf.py b/doc/source/conf.py
index e6450779..96c143ef 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -74,7 +74,7 @@
 
 # Intersphinx mapping
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/3.11", None),
+    "python": ("https://docs.python.org/3", None),
     # kept here as an example
     # "scipy": ("https://docs.scipy.org/doc/scipy/reference", None),
     # "numpy": ("https://numpy.org/devdocs", None),
diff --git a/pyproject.toml b/pyproject.toml
index 59eeff3e..d92dfcbd 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,11 +80,11 @@ test = [
     "ansys-dpf-core==0.13.0",
 ]
 doc = [
-    "ansys-sphinx-theme==0.12.4",
+    "ansys-sphinx-theme==1.1.1",
     "numpydoc==1.8.0",
     "pillow==10.4.0",
     "docker>=7.1.0",
-    "Sphinx==7.2.6",
+    "Sphinx==8.0.2",
     "sphinx-copybutton==0.5.2",
     "sphinx-gallery==0.18.0",
 ]
@@ -95,7 +95,7 @@ dev = [
     "ipdb",
     "ipython",
     "whatsonpypi",
-    "ansys-sphinx-theme==0.12.4",
+    "ansys-sphinx-theme==1.1.1",
     "numpy==1.25.1",
     "numpydoc==1.8.0",
     "pillow==10.4.0",
@@ -103,7 +103,7 @@ dev = [
     "docker>=7.1.0",
     "pytest==8.3.3",
     "pytest-cov==4.1.0",
-    "Sphinx==7.2.6",
+    "Sphinx==8.0.2",
     "sphinx-copybutton==0.5.2",
     "sphinx-gallery==0.18.0",
     "pre-commit==3.3.3",