diff --git a/requirements_common.txt b/requirements_common.txt
index e1fd476dc..38b084b52 100644
--- a/requirements_common.txt
+++ b/requirements_common.txt
@@ -1,4 +1,5 @@
 ray[default,cgraph]==2.48.0 # vllm required ray[default,cgraph]>=2.48.0
+click<8.2  # ray 2.48.0 CLI breaks on click>=8.2: deepcopy of click's Sentinel enum raises ValueError
 numpy<2.0a0,>=1.25
 tensordict>=0.10.0
 sympy