diff --git a/libs/community/langchain_community/graphs/neo4j_graph.py b/libs/community/langchain_community/graphs/neo4j_graph.py
index 901e9604f6242..baca74bb3e4ed 100644
--- a/libs/community/langchain_community/graphs/neo4j_graph.py
+++ b/libs/community/langchain_community/graphs/neo4j_graph.py
@@ -430,7 +430,7 @@ def query(
         try:
             data, _, _ = self._driver.execute_query(
                 Query(text=query, timeout=self.timeout),
-                database=self._database,
+                database_=self._database,
                 parameters_=params,
             )
             json_data = [r.data() for r in data]
@@ -457,7 +457,7 @@ def query(
             ):
                 raise
         # fallback to allow implicit transactions
-        with self._driver.session() as session:
+        with self._driver.session(database=self._database) as session:
             data = session.run(Query(text=query, timeout=self.timeout), params)
             json_data = [r.data() for r in data]
             if self.sanitize:
diff --git a/libs/community/langchain_community/vectorstores/neo4j_vector.py b/libs/community/langchain_community/vectorstores/neo4j_vector.py
index 6f21eedd4534e..bb0be02afdd74 100644
--- a/libs/community/langchain_community/vectorstores/neo4j_vector.py
+++ b/libs/community/langchain_community/vectorstores/neo4j_vector.py
@@ -623,7 +623,7 @@ def query(
         params = params or {}
         try:
             data, _, _ = self._driver.execute_query(
-                query, database=self._database, parameters_=params
+                query, database_=self._database, parameters_=params
             )
             return [r.data() for r in data]
         except Neo4jError as e:
@@ -646,7 +646,7 @@ def query(
             ):
                 raise
         # Fallback to allow implicit transactions
-        with self._driver.session() as session:
+        with self._driver.session(database=self._database) as session:
             data = session.run(Query(text=query), params)
             return [r.data() for r in data]