diff --git a/go.mod b/go.mod
index f231517..e8e6c5a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/blinklabs-io/cardano-models
 go 1.20
 
 require (
-	github.com/blinklabs-io/gouroboros v0.73.2
+	github.com/blinklabs-io/gouroboros v0.75.0
 	github.com/fxamacker/cbor/v2 v2.6.0
 	github.com/go-playground/validator/v10 v10.19.0
 )
@@ -15,8 +15,8 @@ require (
 	github.com/jinzhu/copier v0.4.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	golang.org/x/crypto v0.20.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
 	golang.org/x/net v0.21.0 // indirect
-	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 60cda29..65b1f06 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/blinklabs-io/gouroboros v0.73.2 h1:mxS9qNgAPsHseJ1sDLXBAy841vuV3Qp6yr2hvREZMZ0=
-github.com/blinklabs-io/gouroboros v0.73.2/go.mod h1:cvu7kpPIso3IS5Dexfq4m7sMnyLMsLFOE5jjDBEtC7E=
+github.com/blinklabs-io/gouroboros v0.75.0 h1:zM3Rmvuyzd40DFfckD26pmYNiZ9Vg6WaAVHA9habjLM=
+github.com/blinklabs-io/gouroboros v0.75.0/go.mod h1:d+OyO0y2OSUnj3y2CvG7YL9ACd8YVHsY0ndna/1RrIw=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/fxamacker/cbor/v2 v2.6.0 h1:sU6J2usfADwWlYDAFhZBQ6TnLFBHxgesMrQfQgk1tWA=
 github.com/fxamacker/cbor/v2 v2.6.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ=
@@ -20,12 +20,12 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
-golang.org/x/crypto v0.20.0 h1:jmAMJJZXr5KiCw05dfYK9QnqaqKLYXijU23lsEdcQqg=
-golang.org/x/crypto v0.20.0/go.mod h1:Xwo95rrVNIoSMx9wa1JroENMToLWn3RNVrTBpLHgZPQ=
+golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
+golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=