diff --git a/go.mod b/go.mod
index 5db4baff..973ad310 100644
--- a/go.mod
+++ b/go.mod
@@ -59,7 +59,7 @@ require (
 	github.com/StackExchange/wmi v1.2.1 // indirect
 	github.com/VictoriaMetrics/fastcache v1.12.1 // indirect
 	github.com/attestantio/go-builder-client v0.3.2-0.20230626105718-423f7ec4ad24
-	github.com/attestantio/go-eth2-client v0.18.3
+	github.com/attestantio/go-eth2-client v0.19.4
 	github.com/btcsuite/btcd v0.22.0-beta // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
diff --git a/go.sum b/go.sum
index fa542a28..c1e44a49 100644
--- a/go.sum
+++ b/go.sum
@@ -18,8 +18,8 @@ github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/attestantio/go-builder-client v0.3.2-0.20230626105718-423f7ec4ad24 h1:bBI7XFmYLhzVOcWG9VkU6DmjoJd51jrT84ZZuY/DZ7E=
 github.com/attestantio/go-builder-client v0.3.2-0.20230626105718-423f7ec4ad24/go.mod h1:DwesMTOqnCp4u+n3uZ+fWL8wwnSBZVD9VMIVPDR+AZE=
-github.com/attestantio/go-eth2-client v0.18.3 h1:hUSYh+uMLyw4mJcXWcvrPLd8ozJl61aWMdx5Cpq9hxk=
-github.com/attestantio/go-eth2-client v0.18.3/go.mod h1:KSVlZSW1A3jUg5H8O89DLtqxgJprRfTtI7k89fLdhu0=
+github.com/attestantio/go-eth2-client v0.19.4 h1:SiiqYqx1EhIgdaToer4FrUuiyG3wnTR4Xwb7/YkbGxA=
+github.com/attestantio/go-eth2-client v0.19.4/go.mod h1:mZve1kV9Ctj0I1HH9gdg+MnI8lZ+Cb2EktEtOYrBlsM=
 github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
 github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=