diff --git a/src/currency_core/currency_config.h b/src/currency_core/currency_config.h
index cb6d6c2e..ff666f50 100644
--- a/src/currency_core/currency_config.h
+++ b/src/currency_core/currency_config.h
@@ -271,7 +271,7 @@
 #define ZANO_HARDFORK_04_AFTER_HEIGHT                   2555000   // 2024-03-21 11:49:55
 #define ZANO_HARDFORK_04_TIMESTAMP_ACTUAL               1711021795ull // block 2555000, 2024-03-21 11:49:55 UTC
 #define ZANO_HARDFORK_05_AFTER_HEIGHT                   999999999999999999  
-#define ZANO_HARDFORK_05_MIN_BUILD_VER                  0
+#define ZANO_HARDFORK_05_MIN_BUILD_VER                  343
 #else
 // Testnet
 #define ZANO_HARDFORK_01_AFTER_HEIGHT                   0
@@ -279,8 +279,8 @@
 #define ZANO_HARDFORK_03_AFTER_HEIGHT                   0
 #define ZANO_HARDFORK_04_AFTER_HEIGHT                   200  
 #define ZANO_HARDFORK_04_TIMESTAMP_ACTUAL               1712785801ull // block 200, 2024-04-10 21:50:01 UTC
-#define ZANO_HARDFORK_05_AFTER_HEIGHT                   241400  
-#define ZANO_HARDFORK_05_MIN_BUILD_VER                  342
+#define ZANO_HARDFORK_05_AFTER_HEIGHT                   241750  
+#define ZANO_HARDFORK_05_MIN_BUILD_VER                  343
 #endif