diff --git a/libraries/chain/db_maint.cpp b/libraries/chain/db_maint.cpp
index bfa131c1..0d585605 100644
--- a/libraries/chain/db_maint.cpp
+++ b/libraries/chain/db_maint.cpp
@@ -1987,7 +1987,7 @@ void update_son_params(database& db)
          });
       }
       db.modify( gpo, []( global_property_object& gpo ) {
-            gpo.parameters.extensions.value.maximum_son_count = 9;
+            gpo.parameters.extensions.value.maximum_son_count = 7;
       });
    }
 }
diff --git a/libraries/chain/hardfork.d/SON2.hf b/libraries/chain/hardfork.d/SON2.hf
index 09586328..bc8fde45 100644
--- a/libraries/chain/hardfork.d/SON2.hf
+++ b/libraries/chain/hardfork.d/SON2.hf
@@ -1,4 +1,4 @@
-// SON2 HARDFORK Thursday, June 22, 2021 09:00:00 GMT
+// SON2 HARDFORK Saturday, July 31, 2021 00:00:00 GMT
 #ifndef HARDFORK_SON2_TIME
-#define HARDFORK_SON2_TIME (fc::time_point_sec( 1626944400 ))
+#define HARDFORK_SON2_TIME (fc::time_point_sec( 1627689600 ))
 #endif