diff --git a/generated_chains.go b/generated_chains.go
index 2f50ae4..66b907c 100644
--- a/generated_chains.go
+++ b/generated_chains.go
@@ -123,7 +123,7 @@ var (
 	PRIVATE_TESTNET_MICA                           = Chain{EvmChainID: 424242, Selector: 4489326297382772450, Name: "private-testnet-mica"}
 	PRIVATE_TESTNET_OPALA                          = Chain{EvmChainID: 45439, Selector: 8446413392851542429, Name: "private-testnet-opala"}
 	RONIN_TESTNET_SAIGON                           = Chain{EvmChainID: 2021, Selector: 13116810400804392105, Name: "ronin-testnet-saigon"}
-	SEI_TESTNET                                    = Chain{EvmChainID: 1328, Selector: 1216300075444106652, Name: "sei-testnet"}
+	SEI_TESTNET_ATLANTIC                           = Chain{EvmChainID: 1328, Selector: 1216300075444106652, Name: "sei-testnet-atlantic"}
 	SONIC_TESTNET                                  = Chain{EvmChainID: 64165, Selector: 3676871237479449268, Name: "sonic-testnet"}
 	STORY_TESTNET                                  = Chain{EvmChainID: 1513, Selector: 4237030917318060427, Name: "story-testnet"}
 	TELOS_EVM_MAINNET                              = Chain{EvmChainID: 40, Selector: 1477345371608778000, Name: "telos-evm-mainnet"}
@@ -353,7 +353,7 @@ var ALL = []Chain{
 	PRIVATE_TESTNET_MICA,
 	PRIVATE_TESTNET_OPALA,
 	RONIN_TESTNET_SAIGON,
-	SEI_TESTNET,
+	SEI_TESTNET_ATLANTIC,
 	SONIC_TESTNET,
 	STORY_TESTNET,
 	TELOS_EVM_MAINNET,
diff --git a/selector_families.yml b/selector_families.yml
index 3961ee7..06d050b 100644
--- a/selector_families.yml
+++ b/selector_families.yml
@@ -565,7 +565,7 @@ selector_families:
     name: "ethereum-testnet-sepolia-lens-1"
   1216300075444106652:
     family: evm
-    name: "sei-testnet"
+    name: "sei-testnet-atlantic"
   3676871237479449268:
     family: evm
     name: "sonic-testnet"
diff --git a/selectors.yml b/selectors.yml
index 49f11bc..b2f0933 100644
--- a/selectors.yml
+++ b/selectors.yml
@@ -218,7 +218,7 @@ selectors:
     name: "ethereum-testnet-sepolia-lens-1"
   1328:
     selector: 1216300075444106652
-    name: "sei-testnet"
+    name: "sei-testnet-atlantic"
   64165:
     selector: 3676871237479449268
     name: "sonic-testnet"