diff --git a/pyproject.toml b/pyproject.toml
index b91da7b3..b50127b0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -105,7 +105,7 @@ memory = [
 ]
 # Qdrant + Neo4j memory backend helpers
 memory-stack = [
-    "mem0ai>=1.0.0,<2.0",
+    "mem0ai>=1.0.0,<3.0",
     "qdrant-client>=1.9.0,<2.0",
     "neo4j>=5.20.0,<7.0",
 ]