diff --git a/src/Chainweb/Pact/SPV.hs b/src/Chainweb/Pact/SPV.hs
index f5fcaa2ce6..cf8ed51418 100644
--- a/src/Chainweb/Pact/SPV.hs
+++ b/src/Chainweb/Pact/SPV.hs
@@ -132,6 +132,7 @@ verifySPV bdb bh typ proof = runExceptT $ go typ proof
   where
     cid = CW._chainId bdb
     enableBridge = CW.enableSPVBridge (CW._chainwebVersion bh) cid (_blockHeight bh)
+    enableHyperlane = CW.enableHyperlane (CW._chainwebVersion bh) cid (_blockHeight bh)
 
     mkSPVResult' cr j
         | enableBridge =
@@ -175,7 +176,7 @@ verifySPV bdb bh typ proof = runExceptT $ go typ proof
           PactResult (Right v) ->
             mkSPVResult' q v
 
-      "HYPERLANE_V3" -> evalHyperlaneCommand o
+      "HYPERLANE_V3" | enableHyperlane -> evalHyperlaneCommand o
 
       t -> throwError $! "unsupported SPV types: " <> t
 
diff --git a/src/Chainweb/Version.hs b/src/Chainweb/Version.hs
index 36c27c3300..94cccdd2b0 100644
--- a/src/Chainweb/Version.hs
+++ b/src/Chainweb/Version.hs
@@ -191,6 +191,7 @@ data Fork
     | Chainweb219Pact
     | Chainweb220Pact
     | Chainweb221Pact
+    | Hyperlane
     -- always add new forks at the end, not in the middle of the constructors.
     deriving stock (Bounded, Generic, Eq, Enum, Ord, Show)
     deriving anyclass (NFData, Hashable)
@@ -222,6 +223,7 @@ instance HasTextRepresentation Fork where
     toText Chainweb219Pact = "chainweb219Pact"
     toText Chainweb220Pact = "chainweb220Pact"
     toText Chainweb221Pact = "chainweb221Pact"
+    toText Hyperlane = "hyperlane"
 
     fromText "slowEpoch" = return SlowEpoch
     fromText "vuln797Fix" = return Vuln797Fix
@@ -249,6 +251,7 @@ instance HasTextRepresentation Fork where
     fromText "chainweb219Pact" = return Chainweb219Pact
     fromText "chainweb220Pact" = return Chainweb220Pact
     fromText "chainweb221Pact" = return Chainweb221Pact
+    fromText "hyperlane" = return Hyperlane
     fromText t = throwM . TextFormatException $ "Unknown Chainweb fork: " <> t
 
 instance ToJSON Fork where
diff --git a/src/Chainweb/Version/Development.hs b/src/Chainweb/Version/Development.hs
index 2d3e3b2eeb..f1f4ff6077 100644
--- a/src/Chainweb/Version/Development.hs
+++ b/src/Chainweb/Version/Development.hs
@@ -67,6 +67,7 @@ devnet = ChainwebVersion
             Chainweb219Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 550
             Chainweb220Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 560
             Chainweb221Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 580
+            Hyperlane -> AllChains $ ForkAtBlockHeight $ BlockHeight 600
 
     , _versionUpgrades = foldr (chainZip HM.union) (AllChains mempty)
         [ forkUpgrades devnet
diff --git a/src/Chainweb/Version/Guards.hs b/src/Chainweb/Version/Guards.hs
index ac1280dc49..276d2ded97 100644
--- a/src/Chainweb/Version/Guards.hs
+++ b/src/Chainweb/Version/Guards.hs
@@ -42,6 +42,7 @@ module Chainweb.Version.Guards
     , chainweb219Pact
     , chainweb220Pact
     , chainweb221Pact
+    , enableHyperlane
     , pact44NewTrans
     , pactParserVersion
     , maxBlockGasLimit
@@ -238,6 +239,10 @@ chainweb220Pact = checkFork atOrAfter Chainweb220Pact
 chainweb221Pact :: ChainwebVersion -> ChainId -> BlockHeight -> Bool
 chainweb221Pact = checkFork atOrAfter Chainweb221Pact
 
+-- | Bridge support: Hyperlane.
+enableHyperlane :: ChainwebVersion -> ChainId -> BlockHeight -> Bool
+enableHyperlane = checkFork atOrAfter Hyperlane
+
 pactParserVersion :: ChainwebVersion -> ChainId -> BlockHeight -> PactParserVersion
 pactParserVersion v cid bh
     | chainweb213Pact v cid bh = PactParserChainweb213
diff --git a/src/Chainweb/Version/Mainnet.hs b/src/Chainweb/Version/Mainnet.hs
index 75494fb991..bd941ea161 100644
--- a/src/Chainweb/Version/Mainnet.hs
+++ b/src/Chainweb/Version/Mainnet.hs
@@ -141,6 +141,7 @@ mainnet = ChainwebVersion
         Chainweb219Pact -> AllChains (ForkAtBlockHeight $ BlockHeight 3_774_423) -- 2023-06-02 00:00:00+00:00
         Chainweb220Pact -> AllChains (ForkAtBlockHeight $ BlockHeight 4_056_499) -- 2023-09-08 00:00:00+00:00
         Chainweb221Pact -> AllChains (ForkAtBlockHeight $ BlockHeight 4_177_889) -- 2023-10-20 00:00:00+00:00
+        Hyperlane -> AllChains ForkNever -- TODO: add date and block height
 
     , _versionGraphs =
         (to20ChainsMainnet, twentyChainGraph) `Above`
diff --git a/src/Chainweb/Version/Testnet.hs b/src/Chainweb/Version/Testnet.hs
index c6e198c052..260d453b0e 100644
--- a/src/Chainweb/Version/Testnet.hs
+++ b/src/Chainweb/Version/Testnet.hs
@@ -121,6 +121,7 @@ testnet = ChainwebVersion
         Chainweb219Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 3_299_753 -- 2023-06-01 12:00:00+00:00
         Chainweb220Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 3_580_964 -- 2023-09-08 12:00:00+00:00
         Chainweb221Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 3_702_250 -- 2023-10-19 12:00:00+00:00
+        Hyperlane -> AllChains ForkNever -- TODO: add date and block height
 
     , _versionGraphs =
         (to20ChainsTestnet, twentyChainGraph) `Above`
diff --git a/test/Chainweb/Test/TestVersions.hs b/test/Chainweb/Test/TestVersions.hs
index a79066ae13..7f29719003 100644
--- a/test/Chainweb/Test/TestVersions.hs
+++ b/test/Chainweb/Test/TestVersions.hs
@@ -139,6 +139,7 @@ fastForks = tabulateHashMap $ \case
     Chainweb219Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 27
     Chainweb220Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 30
     Chainweb221Pact -> AllChains $ ForkAtBlockHeight $ BlockHeight 33
+    Hyperlane -> AllChains $ ForkAtBlockHeight $ BlockHeight 36
 
 -- | A test version without Pact or PoW, with only one chain graph.
 barebonesTestVersion :: ChainGraph -> ChainwebVersion
@@ -260,6 +261,7 @@ slowForkingCpmTestVersion g = buildTestVersion $ \v -> v
         Chainweb219Pact -> AllChains $ ForkAtBlockHeight (BlockHeight 71)
         Chainweb220Pact -> AllChains $ ForkAtBlockHeight (BlockHeight 85)
         Chainweb221Pact -> AllChains $ ForkAtBlockHeight (BlockHeight 100)
+        Hyperlane -> AllChains $ ForkAtBlockHeight (BlockHeight 115)
 
 -- | CPM version (see `cpmTestVersion`) with forks and upgrades quickly enabled.
 fastForkingCpmTestVersion :: ChainGraph -> ChainwebVersion