diff --git a/common/eth2_network_config/built_in_network_configs/chiado/config.yaml b/common/eth2_network_config/built_in_network_configs/chiado/config.yaml
index f0c04d891a..e1eb022cc9 100644
--- a/common/eth2_network_config/built_in_network_configs/chiado/config.yaml
+++ b/common/eth2_network_config/built_in_network_configs/chiado/config.yaml
@@ -49,7 +49,7 @@ ELECTRA_FORK_VERSION: 0x0500006f
 ELECTRA_FORK_EPOCH: 948224 # Thu Mar 6 2025 09:43:40 GMT+0000
 # Fulu
 FULU_FORK_VERSION: 0x0600006f
-FULU_FORK_EPOCH: 18446744073709551615
+FULU_FORK_EPOCH: 1353216 # Mon Mar 16 2026 09:33:00 UTC
 # Gloas
 GLOAS_FORK_VERSION: 0x0700006f
 GLOAS_FORK_EPOCH: 18446744073709551615