diff --git a/networks/amity/fork.properties b/networks/amity/fork.properties
index 532f955e67..d40309ab9c 100755
--- a/networks/amity/fork.properties
+++ b/networks/amity/fork.properties
@@ -4,3 +4,5 @@ fork0.3.2=0
 fork0.4.0=0
 # hardfork for the unity protocol
 fork1.0=300
+# hardfork for the unity new seed update
+fork1.3=1377000