diff --git a/requirements/kv_connectors.txt b/requirements/kv_connectors.txt
index 083230c17..743daf21a 100644
--- a/requirements/kv_connectors.txt
+++ b/requirements/kv_connectors.txt
@@ -1,2 +1,2 @@
-lmcache
+lmcache >= 0.3.9
 nixl >= 0.7.1 # Required for disaggregated prefill