diff --git a/.gitignore b/.gitignore
index 99ac29b..7c7030a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .local
+.vscode
 __debug_bin*
 build-times.log
 .skaffold-tags.json
@@ -6,4 +7,4 @@ build-times.log
 **/test_results
 .bash_history
 .viminfo
-.cache
\ No newline at end of file
+.cache
diff --git a/go.mod b/go.mod
index 1155bf1..1b36404 100644
--- a/go.mod
+++ b/go.mod
@@ -5,15 +5,17 @@ go 1.22
 require (
 	github.com/datatrails/go-datatrails-common v0.16.1
 	github.com/datatrails/go-datatrails-common-api-gen v0.4.5
-	github.com/datatrails/go-datatrails-merklelog/massifs v0.0.10
+	github.com/datatrails/go-datatrails-merklelog/massifs v0.1.0
 	github.com/datatrails/go-datatrails-merklelog/mmr v0.0.2
-	github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.0.1
+	github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.1.0
 	github.com/datatrails/go-datatrails-simplehash v0.0.5
 	github.com/stretchr/testify v1.9.0
 	github.com/veraison/go-cose v1.1.0
 	google.golang.org/protobuf v1.34.1
 )
 
+// replace github.com/datatrails/go-datatrails-merklelog/massifs => ../go-datatrails-merklelog/massifs
+
 require (
 	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1 // indirect
diff --git a/go.sum b/go.sum
index b9e28f6..9324423 100644
--- a/go.sum
+++ b/go.sum
@@ -45,12 +45,12 @@ github.com/datatrails/go-datatrails-common v0.16.1 h1:kaNOwyu8EmBbIR44daWDiUZxBt
 github.com/datatrails/go-datatrails-common v0.16.1/go.mod h1:IEcuwUaFl+bI1tt30r+Ov2+nvpcAZH/kXmAPGFjkwT4=
 github.com/datatrails/go-datatrails-common-api-gen v0.4.5 h1:QtxIFSdOEf6bhHZd7g/MfWdCWfPEtwTQNDz3K9u33+c=
 github.com/datatrails/go-datatrails-common-api-gen v0.4.5/go.mod h1:OQN91xvlW6xcWTFvwsM2Nn4PZwFAIOE52FG7yRl4QPQ=
-github.com/datatrails/go-datatrails-merklelog/massifs v0.0.10 h1:FhVbydbzRC+tQEpzwnUUWY/P58/h5MFZ8QbZl5BUqEk=
-github.com/datatrails/go-datatrails-merklelog/massifs v0.0.10/go.mod h1:5o8k+btUoxenGw9sy7x85q2qdzsmu9v2ALMk13RTpG4=
+github.com/datatrails/go-datatrails-merklelog/massifs v0.1.0 h1:NzukXz65iplfjHMf74A+b76rgALgShV2DO/EyZHfn1Y=
+github.com/datatrails/go-datatrails-merklelog/massifs v0.1.0/go.mod h1:RT4xRDMMMzEXPaSg87Dl7ODWd5bNxJiPptxRDcTxcVk=
 github.com/datatrails/go-datatrails-merklelog/mmr v0.0.2 h1:Jxov4/onoFiCISLQNSPy/nyt3USAEvUZpEjlScHJYKI=
 github.com/datatrails/go-datatrails-merklelog/mmr v0.0.2/go.mod h1:+Oz8O6bns0rF6gr03xJzKTBzUzyskZ8Gics8/qeNzYk=
-github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.0.1 h1:sIyXWKTadqmVEsPj66RlKwRKzNQ7hK9SH1fRjZFDCa8=
-github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.0.1/go.mod h1:KGdkOtamWG48EN4AXtTHPv6C0jJKrj840IMSkrD+egk=
+github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.1.0 h1:q9RXtAGydXKSJjARnFObNu743cbfIOfERTXiiVa2tF4=
+github.com/datatrails/go-datatrails-merklelog/mmrtesting v0.1.0/go.mod h1:rWFjeK1NU7qnhl9+iKdjASpw/CkPwDAOPHsERYR7uEQ=
 github.com/datatrails/go-datatrails-simplehash v0.0.5 h1:igu4QRYO87RQXrJlqSm3fgMA2Q0F4jglWqBlfvKrXKQ=
 github.com/datatrails/go-datatrails-simplehash v0.0.5/go.mod h1:XuOwViwdL+dyz7fGYIjaByS1ElMFsrVI0goKX0bNimA=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=