diff --git a/pallas-network/src/miniprotocols/common.rs b/pallas-network/src/miniprotocols/common.rs
index 562da29..b0d9167 100644
--- a/pallas-network/src/miniprotocols/common.rs
+++ b/pallas-network/src/miniprotocols/common.rs
@@ -11,9 +11,15 @@ pub const MAINNET_MAGIC: u64 = 764824073;
 /// Well-known magic for preview
 pub const PREVIEW_MAGIC: u64 = 2;
 
-/// Well-known magic for pre-production
+/// Well-known magic for preprod
+pub const PREPROD_MAGIC: u64 = 1;
+
+/// Alias for PREPROD_MAGIC
 pub const PRE_PRODUCTION_MAGIC: u64 = 1;
 
+/// Well-known magic for preprod
+pub const SANCHONET_MAGIC: u64 = 4;
+
 /// Bitflag for client-side version of a known protocol
 /// # Example
 /// ```
diff --git a/pallas-network/src/miniprotocols/handshake/n2c.rs b/pallas-network/src/miniprotocols/handshake/n2c.rs
index e0b7bd3..966422b 100644
--- a/pallas-network/src/miniprotocols/handshake/n2c.rs
+++ b/pallas-network/src/miniprotocols/handshake/n2c.rs
@@ -22,6 +22,7 @@ const PROTOCOL_V12: u64 = 32780;
 const PROTOCOL_V13: u64 = 32781;
 const PROTOCOL_V14: u64 = 32782;
 const PROTOCOL_V15: u64 = 32783;
+const PROTOCOL_V16: u64 = 32784;
 
 impl VersionTable {
     pub fn v1_and_above(network_magic: u64) -> VersionTable {
@@ -41,6 +42,7 @@ impl VersionTable {
             (PROTOCOL_V13, VersionData(network_magic, None)),
             (PROTOCOL_V14, VersionData(network_magic, None)),
             (PROTOCOL_V15, VersionData(network_magic, Some(false))),
+            (PROTOCOL_V16, VersionData(network_magic, Some(false))),
         ]
         .into_iter()
         .collect::<HashMap<u64, VersionData>>();
@@ -64,6 +66,7 @@ impl VersionTable {
             (PROTOCOL_V13, VersionData(network_magic, None)),
             (PROTOCOL_V14, VersionData(network_magic, None)),
             (PROTOCOL_V15, VersionData(network_magic, Some(false))),
+            (PROTOCOL_V16, VersionData(network_magic, Some(false))),
         ]
         .into_iter()
         .collect::<HashMap<u64, VersionData>>();