diff --git a/pkg/cannon/ethereum/beacon.go b/pkg/cannon/ethereum/beacon.go
index 29d8c588..c8b6b215 100644
--- a/pkg/cannon/ethereum/beacon.go
+++ b/pkg/cannon/ethereum/beacon.go
@@ -42,8 +42,9 @@ func NewBeaconNode(ctx context.Context, name string, config *Config, log logrus.
 	opts.BeaconSubscription.Enabled = false
 
 	node := beacon.NewNode(log, &beacon.Config{
-		Name: name,
-		Addr: config.BeaconNodeAddress,
+		Name:    name,
+		Addr:    config.BeaconNodeAddress,
+		Headers: config.BeaconNodeHeaders,
 	}, "xatu_cannon", opts)
 
 	metadata := services.NewMetadataService(log, node)
diff --git a/pkg/cannon/ethereum/config.go b/pkg/cannon/ethereum/config.go
index c16f15b2..d583387e 100644
--- a/pkg/cannon/ethereum/config.go
+++ b/pkg/cannon/ethereum/config.go
@@ -16,6 +16,8 @@ type Config struct {
 	BlockCacheSize uint64 `yaml:"blockCacheSize" default:"1000"`
 	// BlockCacheTTL is the time to live for blocks in the cache.
 	BlockCacheTTL human.Duration `yaml:"blockCacheTtl" default:"1h"`
+	// BeaconNodeHeaders is a map of headers to send to the beacon node.
+	BeaconNodeHeaders map[string]string `yaml:"beaconNodeHeaders"`
 }
 
 func (c *Config) Validate() error {
diff --git a/pkg/sentry/ethereum/beacon.go b/pkg/sentry/ethereum/beacon.go
index a2593321..345e9734 100644
--- a/pkg/sentry/ethereum/beacon.go
+++ b/pkg/sentry/ethereum/beacon.go
@@ -33,8 +33,9 @@ func NewBeaconNode(ctx context.Context, name string, config *Config, log logrus.
 	opts.HealthCheck.SuccessfulResponses = 1
 
 	node := beacon.NewNode(log, &beacon.Config{
-		Name: name,
-		Addr: config.BeaconNodeAddress,
+		Name:    name,
+		Addr:    config.BeaconNodeAddress,
+		Headers: config.BeaconNodeHeaders,
 	}, "xatu_sentry", opts)
 
 	metadata := services.NewMetadataService(log, node)
diff --git a/pkg/sentry/ethereum/config.go b/pkg/sentry/ethereum/config.go
index ee6f3297..2a6b4134 100644
--- a/pkg/sentry/ethereum/config.go
+++ b/pkg/sentry/ethereum/config.go
@@ -8,6 +8,8 @@ type Config struct {
 	// OverrideNetworkName is the name of the network to use for the sentry.
 	// If not set, the network name will be retrieved from the beacon node.
 	OverrideNetworkName string `yaml:"overrideNetworkName"  default:""`
+	// BeaconNodeHeaders is a map of headers to send to the beacon node.
+	BeaconNodeHeaders map[string]string `yaml:"beaconNodeHeaders"`
 }
 
 func (c *Config) Validate() error {