diff --git a/envs/requirements.txt b/envs/requirements.txt
index 8d0ea6b..0f90606 100644
--- a/envs/requirements.txt
+++ b/envs/requirements.txt
@@ -56,7 +56,7 @@ fonttools==4.55.8
 fqdn==1.5.1
 fsspec==2025.2.0
 h11==0.16.0
-h2==4.2.0
+h2==4.3.0
 hpack==4.1.0
 httpcore==1.0.7
 httpx==0.28.1