diff --git a/go.mod b/go.mod
index 071649e..fd7c0fe 100644
--- a/go.mod
+++ b/go.mod
@@ -1,14 +1,14 @@
 module github.com/bitcoinschema/go-map
 
-go 1.24.1
+go 1.24.3
 
 require (
-	github.com/bitcoinschema/go-bob v0.5.2
-	github.com/bitcoinschema/go-bpu v0.2.2
+	github.com/bitcoinschema/go-bob v0.5.3
+	github.com/bitcoinschema/go-bpu v0.2.3
 )
 
 require (
-	github.com/bsv-blockchain/go-sdk v1.1.22 // indirect
+	github.com/bsv-blockchain/go-sdk v1.2.18 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	golang.org/x/crypto v0.35.0 // indirect
+	golang.org/x/crypto v0.47.0 // indirect
 )
diff --git a/go.sum b/go.sum
index c3d912a..d1969a8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,18 +1,18 @@
-github.com/bitcoinschema/go-bob v0.5.2 h1:DKABIT6NCScvkeyGVCdpbxHb0EzcbXzKpvbS1SdPuuo=
-github.com/bitcoinschema/go-bob v0.5.2/go.mod h1:wiDgN//GF1u9OwA1TrxHZZuE9wDKtkW8T8xGf5RRFY0=
-github.com/bitcoinschema/go-bpu v0.2.2 h1:F/eIC8XhzwgptpA1+rgYQo8bzT51nVozdXpASsxPIno=
-github.com/bitcoinschema/go-bpu v0.2.2/go.mod h1:zppAI/4uAi+lSKBAc7QtWp98d+iczCB6CnGrGV75fAQ=
-github.com/bsv-blockchain/go-sdk v1.1.22 h1:R5o9spVEfCAt64We1CdyHkCuYT1sdTSfKXp3R10UMkI=
-github.com/bsv-blockchain/go-sdk v1.1.22/go.mod h1:d0HXzhHy21t+7z+LBpDhGyJSBJb8S5HiAmHsBtRKddQ=
+github.com/bitcoinschema/go-bob v0.5.3 h1:I9z66SSDFoarTVQj7FavqawmG2TgE/GY7mOpqbUZDQ8=
+github.com/bitcoinschema/go-bob v0.5.3/go.mod h1:G7/Bgcw8nBKenKnNoZa3IpItwOy+qGC3rvqcH3XT1kU=
+github.com/bitcoinschema/go-bpu v0.2.3 h1:JDdWQuwBA2J9jA+x56Q3MvtEZkbDZS+VpGqaL1+cmyc=
+github.com/bitcoinschema/go-bpu v0.2.3/go.mod h1:vc8RxmsAmJ26tmQ8tMccwgbd7os8ThfO7AR5kyPdbUY=
+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/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=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/crypto v0.35.0 h1:b15kiHdrGCHrP6LvwaQ3c03kgNhhiMgvlhxHQhmg2Xs=
-golang.org/x/crypto v0.35.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0YQ=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+golang.org/x/crypto v0.47.0 h1:V6e3FRj+n4dbpw86FJ8Fv7XVOql7TEwpHapKoMJ/GO8=
+golang.org/x/crypto v0.47.0/go.mod h1:ff3Y9VzzKbwSSEzWqJsJVBnWmRwRSHt/6Op5n9bQc4A=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=