diff --git a/config/cluster_config.json b/config/cluster_config.json
index 94e59c4587cca65b26d98ee56ec4ce2f8e9d308d..a73b66d389516041d5ae215ca8f4eddf70e595da 100644
--- a/config/cluster_config.json
+++ b/config/cluster_config.json
@@ -13,7 +13,7 @@
 	},
 	"star_mapping_pass2" :
 	{
-		"ram" : "32G"
+		"ram" : "50G"
 	},
 	 "star_index" :
 	{