diff --git a/configs/mainnet/altair.yaml b/configs/mainnet/altair.yaml
index 6db260cca..b7b7603a2 100644
--- a/configs/mainnet/altair.yaml
+++ b/configs/mainnet/altair.yaml
@@ -45,8 +45,8 @@ ALTAIR_FORK_EPOCH: 18446744073709551615
 # ---------------------------------------------------------------
 # 1
 MIN_SYNC_COMMITTEE_PARTICIPANTS: 1
-# 2**13
-MAX_VALID_LIGHT_CLIENT_UPDATES: 8192
+# 2**64 - 1
+MAX_VALID_LIGHT_CLIENT_UPDATES: 18446744073709551615
 
 
 # Validator
diff --git a/configs/minimal/altair.yaml b/configs/minimal/altair.yaml
index 5c5781010..5618af8ff 100644
--- a/configs/minimal/altair.yaml
+++ b/configs/minimal/altair.yaml
@@ -45,8 +45,8 @@ ALTAIR_FORK_EPOCH: 18446744073709551615
 # ---------------------------------------------------------------
 # 1
 MIN_SYNC_COMMITTEE_PARTICIPANTS: 1
-# [customized]
-MAX_VALID_LIGHT_CLIENT_UPDATES: 32
+# 2**64 - 1
+MAX_VALID_LIGHT_CLIENT_UPDATES: 18446744073709551615
 
 # Validator
 # ---------------------------------------------------------------