diff --git a/substrate/primitives/core/src/crypto.rs b/substrate/primitives/core/src/crypto.rs
index 6606b88887..2f34347a2d 100644
--- a/substrate/primitives/core/src/crypto.rs
+++ b/substrate/primitives/core/src/crypto.rs
@@ -472,6 +472,8 @@ ss58_address_format!(
 		(13, "substratee", "Any SubstraTEE off-chain network private account (*25519).")
 	TotemAccount =>
 		(14, "totem", "Any Totem Live Accounting network standard account (*25519).")
+	SynesthesiaAccount =>
+		(15, "synesthesia", "Synesthesia mainnet, standard account (*25519).")
 	KulupuAccount =>
 		(16, "kulupu", "Kulupu mainnet, standard account (*25519).")
 	DarkAccount =>
diff --git a/substrate/ss58-registry.json b/substrate/ss58-registry.json
index 4c18e72e90..80d600ed59 100644
--- a/substrate/ss58-registry.json
+++ b/substrate/ss58-registry.json
@@ -145,6 +145,15 @@
 			"standardAccount": "*25519",
 			"website": "https://totemaccounting.com"
 		},
+		{
+			"prefix": 15,
+			"network": "synesthesia",
+			"displayName": "Synesthesia",
+			"symbols": ["SYN"],
+			"decimals": [12],
+			"standardAccount": "*25519",
+			"website": "https://synesthesia.network/"
+		},
 		{
 			"prefix": 16,
 			"network": "kulupu",