diff --git a/alphabet/alphabet_contract.go b/alphabet/alphabet_contract.go
index 2a62847..62077dd 100644
--- a/alphabet/alphabet_contract.go
+++ b/alphabet/alphabet_contract.go
@@ -12,10 +12,10 @@ import (
 
 const (
 	// native gas token script hash
-	gasHash = "\xfb\xed\xfe\x2e\xd2\x22\x65\x92\xb6\x48\xc4\xda\x97\xb9\xc9\xcd\x5d\xc1\xa6\xa6"
+	gasHash = "\x28\xb3\xad\xab\x72\x69\xf9\xc2\x18\x1d\xb3\xcb\x74\x1e\xbf\x55\x19\x30\xe2\x70"
 
 	// native neo token script hash
-	neoHash = "\xb6\x72\x0f\xef\x7e\x7e\xb7\x3f\x25\xaf\xb4\x70\xf5\x87\x99\x7c\xe3\xe2\x46\x0a"
+	neoHash = "\x83\xab\x06\x79\xad\x55\xc0\x50\xa1\x3a\xd4\x3f\x59\x36\xea\x73\xf5\xeb\x1e\xf6"
 
 	netmapKey = "netmapScriptHash"
 	indexKey  = "index"
diff --git a/neofs/neofs_contract.go b/neofs/neofs_contract.go
index ddd5af8..3a2c5d0 100644
--- a/neofs/neofs_contract.go
+++ b/neofs/neofs_contract.go
@@ -55,7 +55,7 @@ type (
 
 const (
 	// native gas token script hash
-	tokenHash = "\xfb\xed\xfe\x2e\xd2\x22\x65\x92\xb6\x48\xc4\xda\x97\xb9\xc9\xcd\x5d\xc1\xa6\xa6"
+	tokenHash = "\x28\xb3\xad\xab\x72\x69\xf9\xc2\x18\x1d\xb3\xcb\x74\x1e\xbf\x55\x19\x30\xe2\x70"
 
 	defaultCandidateFee   = 100 * 1_0000_0000 // 100 Fixed8 Gas
 	candidateFeeConfigKey = "InnerRingCandidateFee"