diff --git a/go.mod b/go.mod
index c29c9fd..f540e81 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ toolchain go1.21.6
 require (
 	connectrpc.com/connect v1.16.2
 	github.com/blinklabs-io/adder v0.21.0
-	github.com/blinklabs-io/gouroboros v0.85.0
+	github.com/blinklabs-io/gouroboros v0.86.0
 	github.com/blinklabs-io/tx-submit-api v0.17.0
 	github.com/gin-contrib/zap v1.1.3
 	github.com/gin-gonic/gin v1.10.0
@@ -35,8 +35,6 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cloudwego/base64x v0.1.4 // indirect
 	github.com/cloudwego/iasm v0.2.0 // indirect
-	github.com/cosmos/btcutil v1.0.5 // indirect
-	github.com/cosmos/cosmos-sdk v0.50.6 // indirect
 	github.com/fxamacker/cbor/v2 v2.6.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
@@ -63,6 +61,7 @@ require (
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.52.2 // indirect
 	github.com/prometheus/procfs v0.13.0 // indirect
+	github.com/rogpeppe/go-internal v1.12.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
diff --git a/go.sum b/go.sum
index 62d6de5..5432206 100644
--- a/go.sum
+++ b/go.sum
@@ -53,10 +53,10 @@ github.com/bits-and-blooms/bitset v1.8.0 h1:FD+XqgOZDUxxZ8hzoBFuV9+cGWY9CslN6d5M
 github.com/bits-and-blooms/bitset v1.8.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/blinklabs-io/adder v0.21.0 h1:tAQNgK2v0oJRJis+ZGdS8Z4ufLqK2A6IACQGuQ8gC8E=
 github.com/blinklabs-io/adder v0.21.0/go.mod h1:E3YCNpnoaG3wmVmAUoI4r19W/xnencOVWKgqrAI4RQo=
-github.com/blinklabs-io/gouroboros v0.85.0 h1:KLB7prQpDq3IRIS7Oxl8cz8nABSjU8UoOp0TvBhSyAc=
-github.com/blinklabs-io/gouroboros v0.85.0/go.mod h1:EZe1WcIWfZNESlwHPGLStB6HluXGTkf/ZFUbBi5bCvs=
-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/gouroboros v0.86.0 h1:sFlNr5NwekP0qCULZ/XxJB0pWA7lGK1MiTREud3kHVg=
+github.com/blinklabs-io/gouroboros v0.86.0/go.mod h1:fFaFQpbgFiRVGXKxSjuaf2lYnILS9xZVbO1V+Nkr+6Y=
+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/blinklabs-io/tx-submit-api v0.17.0 h1:/wuNI0bvRPYokVjzl92zR/5h37dLMoZj7+vRZUQ1toc=
 github.com/blinklabs-io/tx-submit-api v0.17.0/go.mod h1:xEL8i72xsD4T+4sLuE9/uTN6Y86pAmCmd5dsP37LZ+A=
 github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
@@ -77,10 +77,6 @@ github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJ
 github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
 github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-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=
-github.com/cosmos/cosmos-sdk v0.50.6/go.mod h1:lVkRY6cdMJ0fG3gp8y4hFrsKZqF4z7y0M2UXFb9Yt40=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=