diff --git a/setup.cfg b/setup.cfg
index e8defa2f..09932f0b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,8 +26,8 @@ keywords =
 packages = find:
 include_package_data = True
 install_requires =
-    trame-server>=2.13.1
-    trame-client>=2.14.0
+    trame-server>=2.13.1,<3
+    trame-client>=2.14.0,<3
 
 [semantic_release]
 version_pattern = setup.cfg:version = (\d+\.\d+\.\d+)