diff --git a/snakemake/cluster.json b/snakemake/cluster.json
index eb681fcadf66877479077594b576329128e42fed..86b342c873c24e40a7ddba4add30b307b73645a2 100644
--- a/snakemake/cluster.json
+++ b/snakemake/cluster.json
@@ -37,5 +37,11 @@
     "time": "02:00:00",
     "threads":"6",
     "mem":"32G"
+  },
+  "generate_alfa_index":
+  {
+    "time": "01:00:00",
+    "threads": "8",
+    "mem":"8G"
   }
 }