diff --git a/tests/chains/tendermint/simapp/README.md b/tests/chains/tendermint/simapp/README.md
index 4b1877c1..cd9ba6a0 100644
--- a/tests/chains/tendermint/simapp/README.md
+++ b/tests/chains/tendermint/simapp/README.md
@@ -1 +1 @@
-This package is based on [this version](https://github.com/cosmos/ibc-go/tree/v1.0.0-beta1/testing/simapp).
+This package is based on https://github.com/cosmos/ibc-go/tree/v4.0.0/testing/simapp.