diff --git a/tools/base/requirements.in b/tools/base/requirements.in
index 4ad64fa4ec71a..ec051630649e5 100644
--- a/tools/base/requirements.in
+++ b/tools/base/requirements.in
@@ -37,7 +37,7 @@ pyreadline
 pyyaml
 setuptools
 slack_sdk
-sphinx>=7,<7.2
+sphinx>=7,<7.4
 sphinxcontrib-applehelp>=1.0.8
 sphinxcontrib-devhelp>=1.0.6
 sphinxcontrib.googleanalytics
diff --git a/tools/base/requirements.txt b/tools/base/requirements.txt
index fc7ca7fa3618c..bbbbe4b445008 100644
--- a/tools/base/requirements.txt
+++ b/tools/base/requirements.txt
@@ -1225,9 +1225,9 @@ snowballstemmer==2.2.0 \
     --hash=sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1 \
     --hash=sha256:c8e1716e83cc398ae16824e5572ae04e0d9fc2c6b985fb0f900f5f0c96ecba1a
     # via sphinx
-sphinx==7.1.2 \
-    --hash=sha256:780f4d32f1d7d1126576e0e5ecc19dc32ab76cd24e950228dcf7b1f6d3d9e22f \
-    --hash=sha256:d170a81825b2fcacb6dfd5a0d7f578a053e45d3f2b153fecc948c37344eb4cbe
+sphinx==7.3.7 \
+    --hash=sha256:413f75440be4cacf328f580b4274ada4565fb2187d696a84970c23f77b64d8c3 \
+    --hash=sha256:a4a7db75ed37531c05002d56ed6948d4c42f473a36f46e1382b0bd76ca9627bc
     # via
     #   -r requirements.in
     #   envoy-docs-sphinx-runner