diff --git a/substrate/primitives/core/src/crypto.rs b/substrate/primitives/core/src/crypto.rs
index a53e633dc3..4d075dc6ff 100644
--- a/substrate/primitives/core/src/crypto.rs
+++ b/substrate/primitives/core/src/crypto.rs
@@ -579,6 +579,10 @@ ss58_address_format!(
 		(67, "equilibrium", "Equilibrium Network, standard account (*25519).")
 	SoraAccount =>
 		(69, "sora", "SORA Network, standard account (*25519).")
+	MantaAccount =>
+		(77, "manta", "Manta Network, standard account (*25519).")
+	CalamariAccount =>
+		(78, "calamari", "Manta Canary Network, standard account (*25519).")
 	SocialAccount =>
 		(252, "social-network", "Social Network, standard account (*25519).")
 	BasiliskAccount =>
diff --git a/substrate/ss58-registry.json b/substrate/ss58-registry.json
index 464b6a273e..1fa01597f2 100644
--- a/substrate/ss58-registry.json
+++ b/substrate/ss58-registry.json
@@ -487,6 +487,24 @@
 			"standardAccount": "*25519",
 			"website": "https://sora.org"
 		},
+		{
+			"prefix": 77,
+			"network": "manta",
+			"displayName": "Manta network",
+			"symbols": ["MA"],
+			"decimals": [12],
+			"standardAccount": "*25519",
+			"website": "https://manta.network"
+		},
+		{
+			"prefix": 78,
+			"network": "calamari",
+			"displayName": "Calamari: Manta Canary Network",
+			"symbols": ["KMA"],
+			"decimals": [12],
+			"standardAccount": "*25519",
+			"website": "https://manta.network"
+		},
 		{
 			"prefix": 252,
 			"network": "social-network",