diff --git a/crates/chainspec/res/genesis/hoodi.json b/crates/chainspec/res/genesis/hoodi.json
index 6f2bd4d..0fa3359 100644
--- a/crates/chainspec/res/genesis/hoodi.json
+++ b/crates/chainspec/res/genesis/hoodi.json
@@ -21,6 +21,7 @@
     "morph203Time": 0,
     "viridianTime": 1761544800,
     "emeraldTime": 1766988000,
+    "jadeTime": 1774418400,
     "morph": {
       "useZktrie": true,
       "maxTxPayloadBytesPerBlock": 122880,
diff --git a/crates/chainspec/res/genesis/mainnet.json b/crates/chainspec/res/genesis/mainnet.json
index bcc61f0..3e31ac4 100644
--- a/crates/chainspec/res/genesis/mainnet.json
+++ b/crates/chainspec/res/genesis/mainnet.json
@@ -19,6 +19,7 @@
     "morph203Time": 1747029600,
     "viridianTime": 1762149600,
     "emeraldTime": 1767765600,
+    "jadeTime": 1775628000,
     "terminalTotalDifficulty": 0,
     "morph": {
       "useZktrie": true,
diff --git a/crates/chainspec/src/morph.rs b/crates/chainspec/src/morph.rs
index 6a2ebaf..eb54303 100644
--- a/crates/chainspec/src/morph.rs
+++ b/crates/chainspec/src/morph.rs
@@ -61,5 +61,8 @@ mod tests {
 
         assert!(!MORPH_MAINNET.is_emerald_active_at_timestamp(1767765599));
         assert!(MORPH_MAINNET.is_emerald_active_at_timestamp(1767765600));
+
+        assert!(!MORPH_MAINNET.is_jade_active_at_timestamp(1775627999));
+        assert!(MORPH_MAINNET.is_jade_active_at_timestamp(1775628000));
     }
 }
diff --git a/crates/chainspec/src/morph_hoodi.rs b/crates/chainspec/src/morph_hoodi.rs
index bf6746b..e24f37c 100644
--- a/crates/chainspec/src/morph_hoodi.rs
+++ b/crates/chainspec/src/morph_hoodi.rs
@@ -60,5 +60,8 @@ mod tests {
 
         assert!(!MORPH_HOODI.is_emerald_active_at_timestamp(1766987999));
         assert!(MORPH_HOODI.is_emerald_active_at_timestamp(1766988000));
+
+        assert!(!MORPH_HOODI.is_jade_active_at_timestamp(1774418399));
+        assert!(MORPH_HOODI.is_jade_active_at_timestamp(1774418400));
     }
 }