diff --git a/go.mod b/go.mod
index 93beee7f..593fc707 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 )
 
 require (
-	github.com/attestantio/go-builder-client v0.6.1
+	github.com/attestantio/go-builder-client v0.6.3
 	github.com/attestantio/go-eth2-client v0.25.0
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
diff --git a/go.sum b/go.sum
index f2ceecbe..3b65c55d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
 github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
-github.com/attestantio/go-builder-client v0.6.1 h1:fn6PC8aDWx2YbptstR1JKP8NyakiNJJTiOE5f9N0z5Q=
-github.com/attestantio/go-builder-client v0.6.1/go.mod h1:f8wi3HzuPxfJoi2PirpJK3yZhte4SavDgKJbRrKoB1Q=
+github.com/attestantio/go-builder-client v0.6.3 h1:iKkmLVdlkM35EB9u++xZc0N0xF7ogILsvTvmYa59peY=
+github.com/attestantio/go-builder-client v0.6.3/go.mod h1:f8wi3HzuPxfJoi2PirpJK3yZhte4SavDgKJbRrKoB1Q=
 github.com/attestantio/go-eth2-client v0.25.0 h1:wLQxoteGCbTE/vKCMASx1ze+Zm9rcqtltRnblaLJup4=
 github.com/attestantio/go-eth2-client v0.25.0/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
 github.com/bits-and-blooms/bitset v1.22.0 h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=