diff --git a/libraries/chain/hardfork.d/SON_FOR_ETHEREUM.hf b/libraries/chain/hardfork.d/SON_FOR_ETHEREUM.hf
index e6d8a9cb9..1caf70c20 100644
--- a/libraries/chain/hardfork.d/SON_FOR_ETHEREUM.hf
+++ b/libraries/chain/hardfork.d/SON_FOR_ETHEREUM.hf
@@ -1,7 +1,7 @@
 #ifndef HARDFORK_SON_FOR_ETHEREUM_TIME
 #ifdef BUILD_PEERPLAYS_TESTNET
-#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2023-06-05T12:00:00"))
+#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2023-07-17T12:00:00"))
 #else
-#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2023-07-05T12:00:00"))
+#define HARDFORK_SON_FOR_ETHEREUM_TIME (fc::time_point_sec::from_iso_string("2023-07-31T12:00:00"))
 #endif
 #endif