diff --git a/core/pathEnd.go b/core/pathEnd.go
index c9e4f984..81074313 100644
--- a/core/pathEnd.go
+++ b/core/pathEnd.go
@@ -12,7 +12,7 @@ import (
 )
 
 var (
-	defaultChainPrefix = commitmenttypes.NewMerklePrefix([]byte("ibc"))
+	DefaultChainPrefix = commitmenttypes.NewMerklePrefix([]byte("ibc"))
 )
 
 const (
@@ -78,7 +78,7 @@ func (pe *PathEnd) ConnInit(dst *PathEnd, signer sdk.AccAddress) sdk.Msg {
 	return conntypes.NewMsgConnectionOpenInit(
 		pe.ClientID,
 		dst.ClientID,
-		defaultChainPrefix,
+		DefaultChainPrefix,
 		version,
 		DefaultDelayPeriod,
 		signer.String(),
@@ -104,7 +104,7 @@ func (pe *PathEnd) ConnTry(
 		dst.ConnectionID,
 		dst.ClientID,
 		cs,
-		defaultChainPrefix,
+		DefaultChainPrefix,
 		conntypes.ExportedVersionsToProto(conntypes.GetCompatibleVersions()),
 		DefaultDelayPeriod,
 		dstConnState.Proof,
diff --git a/go.mod b/go.mod
index e57abbc8..e2638f5e 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/cosmos/go-bip39 v1.0.0
 	github.com/cosmos/gogoproto v1.4.10
 	github.com/cosmos/ibc-go/v7 v7.2.0
-	github.com/datachainlab/ibc-mock-client v0.3.2
+	github.com/datachainlab/ibc-mock-client v0.3.3
 	github.com/prometheus/client_golang v1.15.1
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.16.0
diff --git a/go.sum b/go.sum
index 82491ecb..b65fcbbe 100644
--- a/go.sum
+++ b/go.sum
@@ -369,8 +369,8 @@ github.com/cucumber/common/gherkin/go/v22 v22.0.0 h1:4K8NqptbvdOrjL9DEea6HFjSpbd
 github.com/cucumber/common/messages/go/v17 v17.1.1 h1:RNqopvIFyLWnKv0LfATh34SWBhXeoFTJnSrgm9cT/Ts=
 github.com/danieljoos/wincred v1.1.2 h1:QLdCxFs1/Yl4zduvBdcHB8goaYk9RARS2SgLLRuAyr0=
 github.com/danieljoos/wincred v1.1.2/go.mod h1:GijpziifJoIBfYh+S7BbkdUTU4LfM+QnGqR5Vl2tAx0=
-github.com/datachainlab/ibc-mock-client v0.3.2 h1:SxBkaiuHWQ+1L085m2L35Fku3am7I6YL6B7dwurtDOM=
-github.com/datachainlab/ibc-mock-client v0.3.2/go.mod h1:FfqyF+VJKp8jlIG21lTNJJIp8RCaxSrx6vjhNkfwgBM=
+github.com/datachainlab/ibc-mock-client v0.3.3 h1:jZQvvd88g/6Jq8LULaqeYviOSQYqWhgsUMYMtUzosiA=
+github.com/datachainlab/ibc-mock-client v0.3.3/go.mod h1:FfqyF+VJKp8jlIG21lTNJJIp8RCaxSrx6vjhNkfwgBM=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/provers/mock/prover.go b/provers/mock/prover.go
index 6ce35b7f..00926af9 100644
--- a/provers/mock/prover.go
+++ b/provers/mock/prover.go
@@ -3,6 +3,7 @@ package mock
 import (
 	"context"
 	"crypto/sha256"
+	"encoding/binary"
 	fmt "fmt"
 	"time"
 
@@ -117,7 +118,8 @@ func (pr *Prover) CheckRefreshRequired(dst core.ChainInfoICS02Querier) (bool, er
 
 // ProveState returns the proof of an IBC state specified by `path` and `value`
 func (pr *Prover) ProveState(ctx core.QueryContext, path string, value []byte) ([]byte, clienttypes.Height, error) {
-	return makeProof(value), ctx.Height().(clienttypes.Height), nil
+	height := ctx.Height().(clienttypes.Height)
+	return makeProof(height, path, value), height, nil
 }
 
 // ProveHostConsensusState returns the proof of the consensus state at `height`
@@ -125,7 +127,24 @@ func (pr *Prover) ProveHostConsensusState(ctx core.QueryContext, height exported
 	return clienttypes.MarshalConsensusState(pr.chain.Codec(), consensusState)
 }
 
-func makeProof(bz []byte) []byte {
-	h := sha256.Sum256(bz)
+func makeProof(height exported.Height, path string, bz []byte) []byte {
+	revisionNumber := height.GetRevisionNumber()
+	revisionHeight := height.GetRevisionHeight()
+
+	heightBuf := make([]byte, 16)
+	binary.BigEndian.PutUint64(heightBuf[:8], revisionNumber)
+	binary.BigEndian.PutUint64(heightBuf[8:], revisionHeight)
+
+	hashPrefix := sha256.Sum256(core.DefaultChainPrefix.Bytes())
+	hashPath := sha256.Sum256([]byte(path))
+	hashValue := sha256.Sum256([]byte(bz))
+
+	var combined []byte
+	combined = append(combined, heightBuf...)
+	combined = append(combined, hashPrefix[:]...)
+	combined = append(combined, hashPath[:]...)
+	combined = append(combined, hashValue[:]...)
+
+	h := sha256.Sum256(combined)
 	return h[:]
 }
diff --git a/tests/chains/tendermint/go.mod b/tests/chains/tendermint/go.mod
index caa0c5e8..e114f5c7 100644
--- a/tests/chains/tendermint/go.mod
+++ b/tests/chains/tendermint/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/cometbft/cometbft-db v0.8.0
 	github.com/cosmos/cosmos-sdk v0.47.3
 	github.com/cosmos/ibc-go/v7 v7.2.0
-	github.com/datachainlab/ibc-mock-client v0.3.2
+	github.com/datachainlab/ibc-mock-client v0.3.3
 	github.com/gorilla/mux v1.8.0
 	github.com/rakyll/statik v0.1.7
 	github.com/spf13/cast v1.5.1
diff --git a/tests/chains/tendermint/go.sum b/tests/chains/tendermint/go.sum
index de842cfd..42c8ba1e 100644
--- a/tests/chains/tendermint/go.sum
+++ b/tests/chains/tendermint/go.sum
@@ -351,8 +351,8 @@ github.com/cucumber/common/gherkin/go/v22 v22.0.0 h1:4K8NqptbvdOrjL9DEea6HFjSpbd
 github.com/cucumber/common/messages/go/v17 v17.1.1 h1:RNqopvIFyLWnKv0LfATh34SWBhXeoFTJnSrgm9cT/Ts=
 github.com/danieljoos/wincred v1.1.2 h1:QLdCxFs1/Yl4zduvBdcHB8goaYk9RARS2SgLLRuAyr0=
 github.com/danieljoos/wincred v1.1.2/go.mod h1:GijpziifJoIBfYh+S7BbkdUTU4LfM+QnGqR5Vl2tAx0=
-github.com/datachainlab/ibc-mock-client v0.3.2 h1:SxBkaiuHWQ+1L085m2L35Fku3am7I6YL6B7dwurtDOM=
-github.com/datachainlab/ibc-mock-client v0.3.2/go.mod h1:FfqyF+VJKp8jlIG21lTNJJIp8RCaxSrx6vjhNkfwgBM=
+github.com/datachainlab/ibc-mock-client v0.3.3 h1:jZQvvd88g/6Jq8LULaqeYviOSQYqWhgsUMYMtUzosiA=
+github.com/datachainlab/ibc-mock-client v0.3.3/go.mod h1:FfqyF+VJKp8jlIG21lTNJJIp8RCaxSrx6vjhNkfwgBM=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=