diff --git a/dev_tools/requirements/envs/dev.env.txt b/dev_tools/requirements/envs/dev.env.txt
index b7f7e58790..840ef26f4e 100644
--- a/dev_tools/requirements/envs/dev.env.txt
+++ b/dev_tools/requirements/envs/dev.env.txt
@@ -171,7 +171,7 @@ grpcio==1.70.0
     # via grpcio-tools
 grpcio-tools==1.70.0
     # via -r deps/packaging.txt
-h11==0.14.0
+h11==0.16.0
     # via httpcore
 h5py==3.12.1
     # via
diff --git a/dev_tools/requirements/envs/docs.env.txt b/dev_tools/requirements/envs/docs.env.txt
index df8008c787..cc9d02cb2e 100644
--- a/dev_tools/requirements/envs/docs.env.txt
+++ b/dev_tools/requirements/envs/docs.env.txt
@@ -216,7 +216,7 @@ greenlet==3.1.1
     # via
     #   -c envs/dev.env.txt
     #   sqlalchemy
-h11==0.14.0
+h11==0.16.0
     # via
     #   -c envs/dev.env.txt
     #   httpcore
diff --git a/dev_tools/requirements/envs/format.env.txt b/dev_tools/requirements/envs/format.env.txt
index 44a10b8f48..f9d3ce2134 100644
--- a/dev_tools/requirements/envs/format.env.txt
+++ b/dev_tools/requirements/envs/format.env.txt
@@ -198,7 +198,7 @@ graphviz==0.20.3
     # via
     #   -c envs/dev.env.txt
     #   qref
-h11==0.14.0
+h11==0.16.0
     # via
     #   -c envs/dev.env.txt
     #   httpcore
diff --git a/dev_tools/requirements/envs/pylint.env.txt b/dev_tools/requirements/envs/pylint.env.txt
index dd89ad53e7..499a9adfe3 100644
--- a/dev_tools/requirements/envs/pylint.env.txt
+++ b/dev_tools/requirements/envs/pylint.env.txt
@@ -224,7 +224,7 @@ graphviz==0.20.3
     # via
     #   -c envs/dev.env.txt
     #   qref
-h11==0.14.0
+h11==0.16.0
     # via
     #   -c envs/dev.env.txt
     #   httpcore
diff --git a/dev_tools/requirements/envs/pytest.env.txt b/dev_tools/requirements/envs/pytest.env.txt
index 3ddd3c5e72..3c94965c75 100644
--- a/dev_tools/requirements/envs/pytest.env.txt
+++ b/dev_tools/requirements/envs/pytest.env.txt
@@ -207,7 +207,7 @@ graphviz==0.20.3
     # via
     #   -c envs/dev.env.txt
     #   qref
-h11==0.14.0
+h11==0.16.0
     # via
     #   -c envs/dev.env.txt
     #   httpcore
diff --git a/dev_tools/requirements/envs/runtime.env.txt b/dev_tools/requirements/envs/runtime.env.txt
index 7f55987f09..2aa50d3693 100644
--- a/dev_tools/requirements/envs/runtime.env.txt
+++ b/dev_tools/requirements/envs/runtime.env.txt
@@ -185,7 +185,7 @@ graphviz==0.20.3
     # via
     #   -c envs/dev.env.txt
     #   qref
-h11==0.14.0
+h11==0.16.0
     # via
     #   -c envs/dev.env.txt
     #   httpcore