diff --git a/src/ripple/app/tx/impl/SetHook.cpp b/src/ripple/app/tx/impl/SetHook.cpp
index efc8199fe..ac3e9fb44 100644
--- a/src/ripple/app/tx/impl/SetHook.cpp
+++ b/src/ripple/app/tx/impl/SetHook.cpp
@@ -431,6 +431,14 @@ SetHook::validateHookSetEntry(SetHookCtx& ctx, STObject const& hookSetObj)
             }
 
             auto version = hookSetObj.getFieldU16(sfHookApiVersion);
+            if (!ctx.rules.enabled(featureHooksV1) && version == 1)
+            {
+                JLOG(ctx.j.trace())
+                    << "HookSet(" << hook::log::API_INVALID << ")[" << HS_ACC()
+                    << "]: Malformed transaction: SetHook "
+                       "sfHook->sfHookApiVersion invalid. (HooksV1 not enabled).";
+                return false;
+            }
             if (version > 1)
             {
                 // we currently only accept api version 0 and 1
diff --git a/src/ripple/protocol/Feature.h b/src/ripple/protocol/Feature.h
index 2d46df876..292319827 100644
--- a/src/ripple/protocol/Feature.h
+++ b/src/ripple/protocol/Feature.h
@@ -74,7 +74,7 @@ namespace detail {
 // Feature.cpp. Because it's only used to reserve storage, and determine how
 // large to make the FeatureBitset, it MAY be larger. It MUST NOT be less than
 // the actual number of amendments. A LogicError on startup will verify this.
-static constexpr std::size_t numFeatures = 70;
+static constexpr std::size_t numFeatures = 71;
 
 /** Amendments that this server supports and the default voting behavior.
    Whether they are enabled depends on the Rules defined in the validated
@@ -358,6 +358,7 @@ extern uint256 const fixXahauV2;
 extern uint256 const featureRemit;
 extern uint256 const featureZeroB2M;
 extern uint256 const fixNSDelete;
+extern uint256 const featureHooksV1;
 
 }  // namespace ripple
 
diff --git a/src/ripple/protocol/impl/Feature.cpp b/src/ripple/protocol/impl/Feature.cpp
index 9cf82e316..11fd3344a 100644
--- a/src/ripple/protocol/impl/Feature.cpp
+++ b/src/ripple/protocol/impl/Feature.cpp
@@ -464,6 +464,7 @@ REGISTER_FIX    (fixXahauV2,                    Supported::yes, VoteBehavior::De
 REGISTER_FEATURE(Remit,                         Supported::yes, VoteBehavior::DefaultNo);
 REGISTER_FEATURE(ZeroB2M,                       Supported::yes, VoteBehavior::DefaultNo);
 REGISTER_FIX    (fixNSDelete,                   Supported::yes, VoteBehavior::DefaultNo);
+REGISTER_FEATURE(HooksV1,                       Supported::yes, VoteBehavior::DefaultNo);
 
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.