diff --git a/environment.yml b/environment.yml
index 623949f3..62df5b08 100644
--- a/environment.yml
+++ b/environment.yml
@@ -20,7 +20,7 @@ dependencies:
   - toml
   - fsspec
   - requests
-  - h2<4.0.0
+  - h2
   - pluggy
   - jinja2
   - itsdangerous
diff --git a/setup.cfg b/setup.cfg
index cfb91983..ca779831 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,7 @@ install_requires =
   authlib
   fastapi
   fsspec
-  h2<4.0.0
+  h2
   importlib-metadata
   itsdangerous
   jinja2
@@ -81,4 +81,4 @@ dev =
   pytest-cov
   tbump
 test =
-  %(dev)s
\ No newline at end of file
+  %(dev)s