diff --git a/data/aminoacid-gcpsgd.json b/data/aminoacid-gcpsgd.json
index 4f0c2c5dd..883ab3dae 100644
--- a/data/aminoacid-gcpsgd.json
+++ b/data/aminoacid-gcpsgd.json
@@ -44,8 +44,8 @@
         },
         "iterations":
         {
-            "value": 80,
-            "absolute-tolerance": 20
+            "value": 60,
+            "absolute-tolerance": 30
         }
     }
 }