diff --git a/go.mod b/go.mod
index bb98c71..358570b 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/bsv-blockchain/go-subtree
 go 1.24.3
 
 require (
-	github.com/bsv-blockchain/go-bt/v2 v2.4.6
+	github.com/bsv-blockchain/go-bt/v2 v2.5.0
 	github.com/bsv-blockchain/go-safe-conversion v1.1.0
 	github.com/bsv-blockchain/go-tx-map v1.2.0
 	github.com/stretchr/testify v1.11.1
diff --git a/go.sum b/go.sum
index 3c005a4..061e8ed 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/bsv-blockchain/go-bt/v2 v2.4.6 h1:Vnn2pmU+fE1idSFo/Y/6w4O0ilF14vnwiEnFKk8oNJE=
-github.com/bsv-blockchain/go-bt/v2 v2.4.6/go.mod h1:kLzhgnYmm5d94HNzyCw4onvNCBrxJgZ+9ZpL/5co9RY=
+github.com/bsv-blockchain/go-bt/v2 v2.5.0 h1:vXn0FeDVHIpJb3Y0UruWEQ8ZkbYGkjGDMRLrWzKmVh8=
+github.com/bsv-blockchain/go-bt/v2 v2.5.0/go.mod h1:TQyVESpNMN5ah8ntPZve4GOrDgGY/22W8c42k39BvN4=
 github.com/bsv-blockchain/go-safe-conversion v1.1.0 h1:EjyF+fDsmSK0AwbN2NnIzel/z0dIJcT64KvIwTbWHFg=
 github.com/bsv-blockchain/go-safe-conversion v1.1.0/go.mod h1:KwO5HkH9S11kppAm7SedJhgaJnZbUMYRZalSq9fxLHQ=
 github.com/bsv-blockchain/go-sdk v1.2.10 h1:e3wK/4SgSPqhz4Aw9vnKN/JkIwequdqlPWToYNGvuOg=