diff --git a/configs/mainnet.yaml b/configs/mainnet.yaml
index f7e53d7e1..8b467fce2 100644
--- a/configs/mainnet.yaml
+++ b/configs/mainnet.yaml
@@ -46,7 +46,7 @@ BELLATRIX_FORK_VERSION: 0x02000000
 BELLATRIX_FORK_EPOCH: 144896  # Sept 6, 2022, 11:34:47am UTC
 # Capella
 CAPELLA_FORK_VERSION: 0x03000000
-CAPELLA_FORK_EPOCH: 18446744073709551615
+CAPELLA_FORK_EPOCH: 6209536  # April 12, 2023, 10:27:35pm UTC
 # Deneb
 DENEB_FORK_VERSION: 0x04000000
 DENEB_FORK_EPOCH: 18446744073709551615