diff --git a/.gitignore b/.gitignore
index 5aabfd8cc..9a1eddd33 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 /build/
 .coverage
 /dist/
-/docs/.build/
+/docs/_build/
 /src/*.egg-info
 *.pyc
 .pytest_cache/
diff --git a/MANIFEST.in b/MANIFEST.in
index b2d3fadcf..4c1bb79b3 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,7 +4,7 @@ graft src/docx/templates
 graft features
 graft tests
 graft docs
-prune docs/.build
+prune docs/_build
 global-exclude .DS_Store
 global-exclude __pycache__
 global-exclude *.py[co]
diff --git a/Makefile b/Makefile
index 0478b2bce..6f2b94837 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ install:
 	pip install -Ue .
 
 opendocs:
-	open docs/.build/html/index.html
+	open docs/_build/html/index.html
 
 sdist:
 	$(BUILD) --sdist .
diff --git a/docs/Makefile b/docs/Makefile
index 0cf52977b..ade325c75 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -5,7 +5,7 @@
 SPHINXOPTS    =
 SPHINXBUILD   = sphinx-build
 PAPER         =
-BUILDDIR      = .build
+BUILDDIR      = _build
 
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
diff --git a/docs/conf.py b/docs/conf.py
index 06b428064..ff0ab204c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -201,7 +201,7 @@
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = [".build"]
+exclude_patterns = ["_build"]
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
diff --git a/requirements-docs.txt b/requirements-docs.txt
index 11f9d2cd2..d7cb85b01 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,4 +1,4 @@
-Sphinx==1.8.6
-Jinja2==2.11.3
-MarkupSafe==0.23
+Sphinx==7.2.6
+Jinja2==3.1.3
+MarkupSafe==2.1.5
 -e .