diff --git a/go.mod b/go.mod
index 3cb68cf..f72e772 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	connectrpc.com/grpcreflect v1.2.0
 	github.com/blinklabs-io/adder v0.25.1
 	github.com/blinklabs-io/gouroboros v0.104.1
-	github.com/blinklabs-io/tx-submit-api v0.20.3
+	github.com/blinklabs-io/tx-submit-api v0.20.4
 	github.com/gin-contrib/zap v1.1.4
 	github.com/gin-gonic/gin v1.10.0
 	github.com/gorilla/websocket v1.5.3
@@ -22,7 +22,6 @@ require (
 	github.com/utxorpc/go-codegen v0.12.0
 	go.uber.org/automaxprocs v1.6.0
 	go.uber.org/zap v1.27.0
-	golang.org/x/crypto v0.29.0
 	golang.org/x/net v0.31.0
 	gopkg.in/yaml.v2 v2.4.0
 )
@@ -73,6 +72,7 @@ require (
 	github.com/x448/float16 v0.8.4 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/arch v0.9.0 // indirect
+	golang.org/x/crypto v0.29.0 // indirect
 	golang.org/x/sync v0.9.0 // indirect
 	golang.org/x/sys v0.27.0 // indirect
 	golang.org/x/text v0.20.0 // indirect
diff --git a/go.sum b/go.sum
index 90c005f..af43faf 100644
--- a/go.sum
+++ b/go.sum
@@ -24,8 +24,8 @@ github.com/blinklabs-io/gouroboros v0.104.1 h1:qLmDprvafRxvMQsYUsvA05XqIvMbMWQU+
 github.com/blinklabs-io/gouroboros v0.104.1/go.mod h1:nW0/J6Zv5Oupr4MHehfJ3noSXu7VSxKWusFRNKo0nhI=
 github.com/blinklabs-io/ouroboros-mock v0.3.5 h1:/KWbSoH8Pjrd9uxOH7mVbI7XFsDCNW/O9FtLlvJDUpQ=
 github.com/blinklabs-io/ouroboros-mock v0.3.5/go.mod h1:JtUQ3Luo22hCnGBxuxNp6JaUx63VxidxWwmcaVMremw=
-github.com/blinklabs-io/tx-submit-api v0.20.3 h1:CV/1EfYmoxDXrxtM74SrRrPMYAwC4a4iTBcF6oJJ6GY=
-github.com/blinklabs-io/tx-submit-api v0.20.3/go.mod h1:m9zP0H23DrywqKvlLSdlmpBviI90k6L0Lg6G3tPKMZo=
+github.com/blinklabs-io/tx-submit-api v0.20.4 h1:8Xx2+wMQhO01RLau9NKKRKfL4ybHiJ9Fb5riwY3gCyQ=
+github.com/blinklabs-io/tx-submit-api v0.20.4/go.mod h1:7OpNh8LnvlHYIx46Q+cdo00otKrqfPzo2JbtrRp9k8s=
 github.com/buger/jsonparser v1.1.1 h1:2PnMjfWD7wBILjqQbt530v576A/cAbQvEW9gGIpYMUs=
 github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
 github.com/bytedance/sonic v1.12.1 h1:jWl5Qz1fy7X1ioY74WqO0KjAMtAGQs4sYnjiEBiyX24=