diff --git a/data/seeds__network_version.csv b/data/seeds__network_version.csv
index 0d7b837..e4b4663 100644
--- a/data/seeds__network_version.csv
+++ b/data/seeds__network_version.csv
@@ -23,4 +23,5 @@ root_height,network_version
 23830813,mainnet-16
 27341470,mainnet-17
 31735955,mainnet-18
-35858811,mainnet-19
\ No newline at end of file
+35858811,mainnet-19
+40171634,mainnet-20