Update README.md

spine-unity/README.md

@@ -14,7 +14,7 @@ The Spine Runtimes are developed with the intent to be used with data exported f
 
 ## Spine version
 
-spine-unity works with data exported from Spine 3.6.xx.
+spine-unity works with data exported from Spine 3.7.xx.
 
 spine-unity supports all Spine features.