diff --git a/libraries/chain/hardfork.d/SON_FOR_HIVE.hf b/libraries/chain/hardfork.d/SON_FOR_HIVE.hf
index 4c1a21df..217e999e 100644
--- a/libraries/chain/hardfork.d/SON_FOR_HIVE.hf
+++ b/libraries/chain/hardfork.d/SON_FOR_HIVE.hf
@@ -2,6 +2,6 @@
 #ifdef BUILD_PEERPLAYS_TESTNET
 #define HARDFORK_SON_FOR_HIVE_TIME (fc::time_point_sec::from_iso_string("2021-03-31T00:00:00"))
 #else
-#define HARDFORK_SON_FOR_HIVE_TIME (fc::time_point_sec::from_iso_string("2021-12-11T00:00:00"))
+#define HARDFORK_SON_FOR_HIVE_TIME (fc::time_point_sec::from_iso_string("2021-12-21T00:00:00"))
 #endif
 #endif