diff --git a/go.mod b/go.mod
index d5e369cd..3a91e15e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1
 	github.com/alicebob/miniredis/v2 v2.32.1
 	github.com/attestantio/go-builder-client v0.4.3-0.20240124194555-d44db06f45fa
-	github.com/attestantio/go-eth2-client v0.21.1
+	github.com/attestantio/go-eth2-client v0.23.0
 	github.com/bradfitz/gomemcache v0.0.0-20230124162541-5f7a7d875746
 	github.com/btcsuite/btcd/btcutil v1.1.5
 	github.com/buger/jsonparser v1.1.1
@@ -73,7 +73,7 @@ require (
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
-	github.com/prysmaticlabs/go-bitfield v0.0.0-20210809151128-385d8c5e3fb7 // indirect
+	github.com/prysmaticlabs/go-bitfield v0.0.0-20240328144219-a1caa50c3a1e // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rogpeppe/go-internal v1.11.0 // indirect
 	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
diff --git a/go.sum b/go.sum
index 02468b62..ec05c20b 100644
--- a/go.sum
+++ b/go.sum
@@ -24,8 +24,8 @@ 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 v0.4.3-0.20240124194555-d44db06f45fa h1:Kj6d1tXAA+EAi7fK8z8NakBEpY4WYzZMuCmLZjwBpTM=
 github.com/attestantio/go-builder-client v0.4.3-0.20240124194555-d44db06f45fa/go.mod h1:e02i/WO4fjs3/u9oIZEjiC8CK1Qyxy4cpiMMGKx4VqQ=
-github.com/attestantio/go-eth2-client v0.21.1 h1:yvsMd/azPUbxiJzWZhgqfOJJRNF1zLvAJpcBXTHzyh8=
-github.com/attestantio/go-eth2-client v0.21.1/go.mod h1:Tb412NpzhsC0sbtpXS4D51y5se6nDkWAi6amsJrqX9c=
+github.com/attestantio/go-eth2-client v0.23.0 h1:5Q3yUvXJocTHp2E344Nwq1ISrVNhhRWlfucbBLcg2Tc=
+github.com/attestantio/go-eth2-client v0.23.0/go.mod h1:d7ZPNrMX8jLfIgML5u7QZxFo2AukLM+5m08iMaLdqb8=
 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/benbjohnson/clock v1.3.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
@@ -378,8 +378,8 @@ github.com/prometheus/common v0.48.0 h1:QO8U2CdOzSn1BBsmXJXduaaW+dY/5QLjfB8svtSz
 github.com/prometheus/common v0.48.0/go.mod h1:0/KsvlIEfPQCQ5I2iNSAWKPZziNCvRs5EC6ILDTlAPc=
 github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
-github.com/prysmaticlabs/go-bitfield v0.0.0-20210809151128-385d8c5e3fb7 h1:0tVE4tdWQK9ZpYygoV7+vS6QkDvQVySboMVEIxBJmXw=
-github.com/prysmaticlabs/go-bitfield v0.0.0-20210809151128-385d8c5e3fb7/go.mod h1:wmuf/mdK4VMD+jA9ThwcUKjg3a2XWM9cVfFYjDyY4j4=
+github.com/prysmaticlabs/go-bitfield v0.0.0-20240328144219-a1caa50c3a1e h1:ATgOe+abbzfx9kCPeXIW4fiWyDdxlwHw07j8UGhdTd4=
+github.com/prysmaticlabs/go-bitfield v0.0.0-20240328144219-a1caa50c3a1e/go.mod h1:wmuf/mdK4VMD+jA9ThwcUKjg3a2XWM9cVfFYjDyY4j4=
 github.com/r3labs/sse/v2 v2.10.0 h1:hFEkLLFY4LDifoHdiCN/LlGBAdVJYsANaLqNYa1l/v0=
 github.com/r3labs/sse/v2 v2.10.0/go.mod h1:Igau6Whc+F17QUgML1fYe1VPZzTV6EMCnYktEmkNJ7I=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=