diff --git a/changes/494.misc.rst b/changes/494.misc.rst
new file mode 100644
index 00000000..0dd6eee0
--- /dev/null
+++ b/changes/494.misc.rst
@@ -0,0 +1 @@
+Updated sphinx from 7.4.7 to 8.0.2.
diff --git a/pyproject.toml b/pyproject.toml
index 79a29efa..60b07a08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dev = [
 docs = [
     "furo == 2024.8.6",
     "pyenchant == 3.2.2",
-    "sphinx == 7.4.7",
+    "sphinx == 8.0.2",
     "sphinx_tabs == 3.4.5",
     "sphinx-autobuild == 2024.4.16",
     "sphinx-copybutton == 0.5.2",