diff --git a/src/chains/mainnet/shentu.json b/src/chains/mainnet/shentu.json
index 86ca9ffb..f62b9099 100644
--- a/src/chains/mainnet/shentu.json
+++ b/src/chains/mainnet/shentu.json
@@ -6,7 +6,7 @@
     "snapshot_provider": "",
     "sdk_version": "0.42.9",
     "coin_type": "118",
-    "min_tx_fee": "5000",
+    "min_tx_fee": "8000",
     "addr_prefix": "certik",
     "logo": "/logos/shentu.jpg",
     "assets": [{