diff --git a/go.mod b/go.mod
index 50e03da..afb9f02 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.24.3
 
 require (
 	github.com/bitcoinschema/go-sigma v0.1.2
-	github.com/bsv-blockchain/go-sdk v1.2.17
+	github.com/bsv-blockchain/go-sdk v1.2.18
 	github.com/stretchr/testify v1.11.1
 )
 
diff --git a/go.sum b/go.sum
index 0104f22..1839e7a 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/bitcoinschema/go-bpu v0.2.2 h1:F/eIC8XhzwgptpA1+rgYQo8bzT51nVozdXpASs
 github.com/bitcoinschema/go-bpu v0.2.2/go.mod h1:zppAI/4uAi+lSKBAc7QtWp98d+iczCB6CnGrGV75fAQ=
 github.com/bitcoinschema/go-sigma v0.1.2 h1:tFNlZZ8QnSokHlWL/39+NCzC1x2lTO3uOJhcvBkC1TE=
 github.com/bitcoinschema/go-sigma v0.1.2/go.mod h1:9mkkvkONfiSCPPTQimJYNp+5darSfSxZbuD225AGq9M=
-github.com/bsv-blockchain/go-sdk v1.2.17 h1:neQ/fxFL01yPFe3gbMDyBmIYqk+Vm7AQY1wtGsYQFFI=
-github.com/bsv-blockchain/go-sdk v1.2.17/go.mod h1:QWYwia7QSPB8+sLWyVldsIg0wPPzvEmXL5wGAT0dgaA=
+github.com/bsv-blockchain/go-sdk v1.2.18 h1:JFl8TNM7lf80CslrXjlungDOyuvL9COzond9BOR81Us=
+github.com/bsv-blockchain/go-sdk v1.2.18/go.mod h1:QWYwia7QSPB8+sLWyVldsIg0wPPzvEmXL5wGAT0dgaA=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 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=