diff --git a/tests/go.mod b/tests/go.mod
index 7054ba4..7229fa0 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -13,6 +13,7 @@ replace (
 require (
 	github.com/datatrails/go-datatrails-common v0.15.1
 	github.com/datatrails/go-datatrails-merklelog/massifs v0.0.0-00010101000000-000000000000
+	github.com/datatrails/go-datatrails-merklelog/mmr v0.0.2
 	github.com/stretchr/testify v1.9.0
 )
 
@@ -37,7 +38,6 @@ require (
 	github.com/cilium/ebpf v0.12.3 // indirect
 	github.com/containerd/cgroups/v3 v3.0.2 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
-	github.com/datatrails/go-datatrails-merklelog/mmr v0.0.2 // indirect
 	github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.0.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dimchansky/utfbom v1.1.1 // indirect
@@ -73,6 +73,6 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20231127180814-3a041ad873d4 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
 	google.golang.org/grpc v1.59.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/tests/go.sum b/tests/go.sum
index 5ed859a..cf28184 100644
--- a/tests/go.sum
+++ b/tests/go.sum
@@ -198,8 +198,8 @@ google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
 google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=