diff --git a/go.mod b/go.mod
index d79f511..621367e 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ toolchain go1.24.1
 require (
 	github.com/blinklabs-io/adder v0.29.0
 	github.com/blinklabs-io/cardano-models v0.5.1
-	github.com/blinklabs-io/gouroboros v0.120.1
+	github.com/blinklabs-io/gouroboros v0.121.0
 	github.com/dgraph-io/badger/v4 v4.7.0
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/miekg/dns v1.1.66
diff --git a/go.sum b/go.sum
index dbce712..fb1b531 100644
--- a/go.sum
+++ b/go.sum
@@ -13,10 +13,10 @@ github.com/blinklabs-io/adder v0.29.0 h1:ZQEaxot4d1ANfHvUMI06+hcCU0yBH4VF1aExbca
 github.com/blinklabs-io/adder v0.29.0/go.mod h1:zWqBoIKqbblo3uiXrS2UhiRzaFKG+xO4/RmNOpQOPcE=
 github.com/blinklabs-io/cardano-models v0.5.1 h1:dPe5gT8vwmYUbc+rgofO9WS8otbgAKTo5fpMJhLPLIE=
 github.com/blinklabs-io/cardano-models v0.5.1/go.mod h1:8z20pRjrS/0nUO3r0HEKKP3cYstwbyfIWUsYKv+ud3s=
-github.com/blinklabs-io/gouroboros v0.120.1 h1:WcYVOwxQm/6E93qI3apCO2IPFQNoGlQIi34R58tya2Y=
-github.com/blinklabs-io/gouroboros v0.120.1/go.mod h1:4slb9HmHNlV1Z7wi6WDDa9GlYCutff8qCEfGYRVN9i8=
-github.com/blinklabs-io/ouroboros-mock v0.3.7 h1:86FvD591XhdGk2BqQweRKfwc6Y6ll5Lunmo/RUehJ6o=
-github.com/blinklabs-io/ouroboros-mock v0.3.7/go.mod h1:611xZgdWCxZsSaS5tjgxqjmWIkSpsM9eKuQAKozw+sk=
+github.com/blinklabs-io/gouroboros v0.121.0 h1:Hb8amqG2dOztE1r5cuZAUUKSUzusDuffdGgSSh+qIfs=
+github.com/blinklabs-io/gouroboros v0.121.0/go.mod h1:hAJS7mv7dYMbjXujmr6X8pJIzbYvDQIoQo10orJiOuo=
+github.com/blinklabs-io/ouroboros-mock v0.3.8 h1:+DAt2rx0ouZUxee5DBMgZq3I1+ZdxFSHG9g3tYl/FKU=
+github.com/blinklabs-io/ouroboros-mock v0.3.8/go.mod h1:UwQIf4KqZwO13P9d90fbi3UL/X7JaJfeEbqk+bEeFQA=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
 github.com/btcsuite/btcd v0.23.5-0.20231215221805-96c9fd8078fd/go.mod h1:nm3Bko6zh6bWP60UxwoT5LzdGJsQJaPo6HjduXq9p6A=