diff --git a/go.mod b/go.mod
index 6d4b5245..435cfd3e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.21.5
 
 require (
 	filippo.io/edwards25519 v1.1.0
-	github.com/blinklabs-io/ouroboros-mock v0.3.0
+	github.com/blinklabs-io/ouroboros-mock v0.3.1
 	github.com/cosmos/cosmos-sdk v0.50.6
 	github.com/fxamacker/cbor/v2 v2.6.0
 	github.com/jinzhu/copier v0.4.0
diff --git a/go.sum b/go.sum
index 2bd02178..423f2d1f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-github.com/blinklabs-io/ouroboros-mock v0.3.0 h1:6VRWyhAv0k7nQEgzFpuqhS/n8OM+OAaLN/sCT5K2Hbc=
-github.com/blinklabs-io/ouroboros-mock v0.3.0/go.mod h1:0dzTNEk/Kvqa7qYHDy7/Nn3OTt+EOosMknB37FRzI1k=
+github.com/blinklabs-io/ouroboros-mock v0.3.1 h1:oQiMgH0VgsJIGy4lJGaySegObq5FsVgFTYXUO2PS2T8=
+github.com/blinklabs-io/ouroboros-mock v0.3.1/go.mod h1:6DosKZuBZ4mmvky3hXUzGZqqb/KhbwOiKOldwAtNoxc=
 github.com/cosmos/btcutil v1.0.5 h1:t+ZFcX77LpKtDBhjucvnOH8C2l2ioGsBNEQ3jef8xFk=
 github.com/cosmos/btcutil v1.0.5/go.mod h1:IyB7iuqZMJlthe2tkIFL33xPyzbFYP0XVdS8P5lUPis=
 github.com/cosmos/cosmos-sdk v0.50.6 h1:efR3MsvMHX5sxS3be+hOobGk87IzlZbSpsI2x/Vw3hk=