diff --git a/py/requirements.txt b/py/requirements.txt
index 64b2ee18ca655..ac91bfed874f7 100644
--- a/py/requirements.txt
+++ b/py/requirements.txt
@@ -5,7 +5,7 @@ cffi==1.16.0
 cryptography==42.0.7
 dataclasses==0.6
 debugpy==1.8.1
-h11==0.14.0
+h11==0.16.0
 idna==3.7
 importlib-metadata==6.8.0
 inflection==0.5.1
diff --git a/py/requirements_lock.txt b/py/requirements_lock.txt
index b4746763676c5..5bbe69492b752 100644
--- a/py/requirements_lock.txt
+++ b/py/requirements_lock.txt
@@ -242,9 +242,9 @@ exceptiongroup==1.1.1 \
     # via
     #   pytest
     #   trio
-h11==0.14.0 \
-    --hash=sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d \
-    --hash=sha256:e3fe4ac4b851c468cc8363d500db52c2ead036020723024a109d37346efaa761
+h11==0.16.0 \
+    --hash=sha256:4e35b956cf45792e4caa5885e69fba00bdbc6ffafbfa020300e549b208ee5ff1 \
+    --hash=sha256:63cf8bbe7522de3bf65932fda1d9c2772064ffb3dae62d55932da54b31cb6c86
     # via
     #   -r py/requirements.txt
     #   wsproto