diff --git a/pywa/utils.py b/pywa/utils.py
index 00a3f22..3627487 100644
--- a/pywa/utils.py
+++ b/pywa/utils.py
@@ -108,7 +108,7 @@ class Version(enum.Enum):
 
     # KEY = (MIN_VERSION: str, LATEST_VERSION: str)
     GRAPH_API = ("17.0", "21.0")
-    FLOW_JSON = ("2.1", "6.0")
+    FLOW_JSON = ("2.1", "6.3")
     FLOW_DATA_API = ("3.0", "3.0")
     FLOW_MSG = ("3", "3")