diff --git a/app/params/config.go b/app/params/config.go
index 895e628639..cb973b5886 100644
--- a/app/params/config.go
+++ b/app/params/config.go
@@ -91,6 +91,7 @@ func SetTendermintConfigs(config *tmcfg.Config) {
 	config.Mempool.Size = 5000
 	config.Mempool.MaxTxsBytes = 10737418240
 	config.Mempool.MaxTxBytes = 2048576
+	config.Mempool.TTLDuration = 12 * time.Hour
 	// Consensus Configs
 	config.Consensus.GossipTransactionKeyOnly = true
 	config.Consensus.UnsafeProposeTimeoutOverride = 5 * time.Second
diff --git a/go.mod b/go.mod
index b6d78d009f..724ae683d6 100644
--- a/go.mod
+++ b/go.mod
@@ -273,6 +273,6 @@ replace (
 	github.com/cosmos/iavl => github.com/sei-protocol/sei-iavl v0.0.3
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 	github.com/keybase/go-keychain => github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4
-	github.com/tendermint/tendermint => github.com/sei-protocol/sei-tendermint v0.1.172
+	github.com/tendermint/tendermint => github.com/sei-protocol/sei-tendermint v0.1.172-psu-test-2
 	google.golang.org/grpc => google.golang.org/grpc v1.33.2
 )
diff --git a/go.sum b/go.sum
index 7bdaee8000..d0e07671b5 100644
--- a/go.sum
+++ b/go.sum
@@ -1070,8 +1070,8 @@ github.com/sei-protocol/sei-cosmos v0.1.430 h1:pES4tltIoBaQzg8OYzjDWS790o+uImpit
 github.com/sei-protocol/sei-cosmos v0.1.430/go.mod h1:luUxbQqdQ/xHQi2iSHQjsGV22644e0omq1kFlxwnEoc=
 github.com/sei-protocol/sei-iavl v0.0.3 h1:01eZo2RvPrp9wtf+fgmyKiGhIIaV7KY1Shg/M94WXZY=
 github.com/sei-protocol/sei-iavl v0.0.3/go.mod h1:7PfkEVT5dcoQE+s/9KWdoXJ8VVVP1QpYYPLdxlkSXFk=
-github.com/sei-protocol/sei-tendermint v0.1.172 h1:JxPEqOvLE0AD1M8OqQb7JkaMsVay4dgZuq4gB7ntqQM=
-github.com/sei-protocol/sei-tendermint v0.1.172/go.mod h1:+BtDvAwTkE64BlxzpH9ZP7S6vUYT9wRXiZa/WW8/o4g=
+github.com/sei-protocol/sei-tendermint v0.1.172-psu-test-2 h1:AZ42CV0jdlOonuCA7Hm51VnaA8MsZPeBd2nD+Aw93a8=
+github.com/sei-protocol/sei-tendermint v0.1.172-psu-test-2/go.mod h1:+BtDvAwTkE64BlxzpH9ZP7S6vUYT9wRXiZa/WW8/o4g=
 github.com/sei-protocol/sei-tm-db v0.0.5 h1:3WONKdSXEqdZZeLuWYfK5hP37TJpfaUa13vAyAlvaQY=
 github.com/sei-protocol/sei-tm-db v0.0.5/go.mod h1:Cpa6rGyczgthq7/0pI31jys2Fw0Nfrc+/jKdP1prVqY=
 github.com/sei-protocol/sei-wasmd v0.0.1 h1:dRvdapc1sqWxhIB2+DKS5LfilFjOsaFwWkGkSWwQIow=