diff --git a/client/src/lib.rs b/client/src/lib.rs
index 37b14c8aec..1b8c278ef2 100644
--- a/client/src/lib.rs
+++ b/client/src/lib.rs
@@ -28,4 +28,4 @@ mod tests;
 
 /// Used in Genesis author to indicate testnet version
 /// Increase by one for every test net reset
-const TESTNET_VERSION: &str = "0000000000000000000000000000000000000020";
+const TESTNET_VERSION: &str = "0000000000000000000000000000000000000021";
diff --git a/tests/conflux/config.py b/tests/conflux/config.py
index e274a4a894..99db957d33 100644
--- a/tests/conflux/config.py
+++ b/tests/conflux/config.py
@@ -10,7 +10,7 @@
     GENESIS_STATE_ROOT=decode_hex("0x3202baa4151bc8fd8081c9c26be2f2faac2e27cf8bc674a6846502a72373f2e5"),
     GENESIS_RECEIPTS_ROOT=decode_hex("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),   # KECCAK_EMPTY_LIST_RLP ~ keccak(rlp([]))
     GENESIS_LOGS_BLOOM_HASH=decode_hex("0xd397b3b043d87fcd6fad1291ff0bfd16401c274896d8c63a923727f077b8e0b5"), # KECCAK_EMPTY_BLOOM    ~ keccak(b'\0' * 256)
-    GENESIS_AUTHOR=decode_hex("0x0000000000000000000000000000000000000020"),
+    GENESIS_AUTHOR=decode_hex("0x0000000000000000000000000000000000000021"),
 )
 
 default_conflux_conf = dict(