diff --git a/requirements-bazel-linux.txt b/requirements-bazel-linux.txt
index 984c6df7..eb09a265 100644
--- a/requirements-bazel-linux.txt
+++ b/requirements-bazel-linux.txt
@@ -42,7 +42,7 @@ fonttools==4.56.0 ; python_version >= "3.10" and python_version < "4.0"
 fsspec==2025.3.0 ; python_version >= "3.10" and python_version < "4.0"
 gradescope-utils==0.5.0 ; python_version >= "3.10" and python_version < "4.0"
 gymnasium==1.1.1 ; python_version >= "3.10" and python_version < "4.0"
-h11==0.14.0 ; python_version >= "3.10" and python_version < "4.0"
+h11==0.16.0 ; python_version >= "3.10" and python_version < "4.0"
 httpcore==1.0.7 ; python_version >= "3.10" and python_version < "4.0"
 httpx==0.28.1 ; python_version >= "3.10" and python_version < "4.0"
 identify==2.6.9 ; python_version >= "3.10" and python_version < "4.0"
diff --git a/requirements-bazel-mac.txt b/requirements-bazel-mac.txt
index 3c97cddd..567b0d7b 100644
--- a/requirements-bazel-mac.txt
+++ b/requirements-bazel-mac.txt
@@ -40,7 +40,7 @@ fonttools==4.56.0 ; python_version >= "3.10" and python_version < "4.0"
 fsspec==2025.3.0 ; python_version >= "3.10" and python_version < "4.0"
 gradescope-utils==0.5.0 ; python_version >= "3.10" and python_version < "4.0"
 gymnasium==1.1.1 ; python_version >= "3.10" and python_version < "4.0"
-h11==0.14.0 ; python_version >= "3.10" and python_version < "4.0"
+h11==0.16.0 ; python_version >= "3.10" and python_version < "4.0"
 httpcore==1.0.7 ; python_version >= "3.10" and python_version < "4.0"
 httpx==0.28.1 ; python_version >= "3.10" and python_version < "4.0"
 identify==2.6.9 ; python_version >= "3.10" and python_version < "4.0"
diff --git a/requirements-bazel.txt b/requirements-bazel.txt
index 803f125d..cd009683 100644
--- a/requirements-bazel.txt
+++ b/requirements-bazel.txt
@@ -42,7 +42,7 @@ fonttools==4.56.0 ; python_version >= "3.10" and python_version < "4.0"
 fsspec==2025.3.0 ; python_version >= "3.10" and python_version < "4.0"
 gradescope-utils==0.5.0 ; python_version >= "3.10" and python_version < "4.0"
 gymnasium==1.1.1 ; python_version >= "3.10" and python_version < "4.0"
-h11==0.14.0 ; python_version >= "3.10" and python_version < "4.0"
+h11==0.16.0 ; python_version >= "3.10" and python_version < "4.0"
 httpcore==1.0.7 ; python_version >= "3.10" and python_version < "4.0"
 httpx==0.28.1 ; python_version >= "3.10" and python_version < "4.0"
 identify==2.6.9 ; python_version >= "3.10" and python_version < "4.0"
diff --git a/requirements.txt b/requirements.txt
index 4fce73b6..938249ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ fonttools==4.56.0 ; python_version >= "3.10" and python_version < "4.0"
 fsspec==2025.3.0 ; python_version >= "3.10" and python_version < "4.0"
 gradescope-utils==0.5.0 ; python_version >= "3.10" and python_version < "4.0"
 gymnasium==1.1.1 ; python_version >= "3.10" and python_version < "4.0"
-h11==0.14.0 ; python_version >= "3.10" and python_version < "4.0"
+h11==0.16.0 ; python_version >= "3.10" and python_version < "4.0"
 httpcore==1.0.7 ; python_version >= "3.10" and python_version < "4.0"
 httpx==0.28.1 ; python_version >= "3.10" and python_version < "4.0"
 identify==2.6.9 ; python_version >= "3.10" and python_version < "4.0"