diff --git a/pyproject.toml b/pyproject.toml
index 849df0ae..f9fd52a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
     "sentry-sdk==2.13.0",
     "sphinx-rtd-theme==2.0.0",
     "sphinx-sitemap==2.6.0",
-    "sphinx==7.3.7",
+    "sphinx==8.0.2",
     "weasyprint==62.3",
     "whitenoise[brotli]==6.7.0",
 ]
diff --git a/requirements.in b/requirements.in
index 2f4abdeb..36aecad2 100644
--- a/requirements.in
+++ b/requirements.in
@@ -23,7 +23,7 @@ psycopg[binary]==3.2.1
 python-dateutil==2.9.0.post0
 requests==2.32.3
 sentry-sdk==2.13.0
-Sphinx==7.3.7
+Sphinx==8.0.2
 sphinx-rtd-theme==2.0.0
 sphinx-sitemap==2.6.0
 time-machine