diff --git a/requirements.in b/requirements.in
index 69c8bd0060..6bdda4416f 100644
--- a/requirements.in
+++ b/requirements.in
@@ -49,7 +49,7 @@ requests-mock==1.12.1
 ruff==0.6.9
 semver==3.0.2
 sentry-sdk==2.8.0
-Sphinx==8.0.2
+Sphinx==8.1.3
 sphinx_rtd_theme==3.0.1
 statsd==4.0.1
 urlwait==1.0
diff --git a/requirements.txt b/requirements.txt
index 28865db824..4808e792c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1253,15 +1253,13 @@ snowballstemmer==2.2.0 \
     --hash=sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1 \
     --hash=sha256:c8e1716e83cc398ae16824e5572ae04e0d9fc2c6b985fb0f900f5f0c96ecba1a
     # via sphinx
-sphinx==8.0.2 \
-    --hash=sha256:0cce1ddcc4fd3532cf1dd283bc7d886758362c5c1de6598696579ce96d8ffa5b \
-    --hash=sha256:56173572ae6c1b9a38911786e206a110c9749116745873feae4f9ce88e59391d
+sphinx==8.1.3 \
+    --hash=sha256:09719015511837b76bf6e03e42eb7595ac8c2e41eeb9c29c5b755c6b677992a2 \
+    --hash=sha256:43c1911eecb0d3e161ad78611bc905d1ad0e523e4ddc202a58a821773dc4c927
     # via
     #   -r requirements.in
     #   sphinx-rtd-theme
     #   sphinxcontrib-applehelp
-    #   sphinxcontrib-devhelp
-    #   sphinxcontrib-htmlhelp
     #   sphinxcontrib-jquery
     #   sphinxcontrib-qthelp
     #   sphinxcontrib-serializinghtml
@@ -1273,13 +1271,13 @@ sphinxcontrib-applehelp==1.0.7 \
     --hash=sha256:094c4d56209d1734e7d252f6e0b3ccc090bd52ee56807a5d9315b19c122ab15d \
     --hash=sha256:39fdc8d762d33b01a7d8f026a3b7d71563ea3b72787d5f00ad8465bd9d6dfbfa
     # via sphinx
-sphinxcontrib-devhelp==1.0.5 \
-    --hash=sha256:63b41e0d38207ca40ebbeabcf4d8e51f76c03e78cd61abe118cf4435c73d4212 \
-    --hash=sha256:fe8009aed765188f08fcaadbb3ea0d90ce8ae2d76710b7e29ea7d047177dae2f
+sphinxcontrib-devhelp==2.0.0 \
+    --hash=sha256:411f5d96d445d1d73bb5d52133377b4248ec79db5c793ce7dbe59e074b4dd1ad \
+    --hash=sha256:aefb8b83854e4b0998877524d1029fd3e6879210422ee3780459e28a1f03a8a2
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.4 \
-    --hash=sha256:6c26a118a05b76000738429b724a0568dbde5b72391a688577da08f11891092a \
-    --hash=sha256:8001661c077a73c29beaf4a79968d0726103c5605e27db92b9ebed8bab1359e9
+sphinxcontrib-htmlhelp==2.1.0 \
+    --hash=sha256:166759820b47002d22914d64a075ce08f4c46818e17cfc9470a9786b759b19f8 \
+    --hash=sha256:c9e2916ace8aad64cc13a0d233ee22317f2b9025b9cf3295249fa985cc7082e9
     # via sphinx
 sphinxcontrib-jquery==4.1 \
     --hash=sha256:1620739f04e36a2c779f1a131a2dfd49b2fd07351bf1968ced074365933abc7a \