diff --git a/gradle.properties b/gradle.properties
index ecc8d115d6..ff3f0c1f1f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ cordaProductVersion = 5.2.0
 # NOTE: update this each time this module contains a breaking change
 ## NOTE: currently this is a top level revision, so all API versions will line up, but this could be moved to
 ##   a per module property in which case module versions can change independently.
-cordaApiRevision = 19
+cordaApiRevision = 22
 
 # Main
 kotlin.stdlib.default.dependency = false
diff --git a/ledger/ledger-utxo/scans/corda-ledger-utxo-5.2.0.yaml b/ledger/ledger-utxo/scans/corda-ledger-utxo-5.2.0.yaml
index 273a6c7a42..efe6eb10ce 100644
--- a/ledger/ledger-utxo/scans/corda-ledger-utxo-5.2.0.yaml
+++ b/ledger/ledger-utxo/scans/corda-ledger-utxo-5.2.0.yaml
@@ -1670,6 +1670,11 @@ net.corda.v5.ledger.utxo.transaction.UtxoSignedTransaction:
         referenceStateAndRefs:
           annotation: []
           type: java.util.List<net.corda.v5.ledger.utxo.StateAndRef<?>>
+    verifySignatorySignatures:
+      annotations: []
+      default: false
+      type: public abstract
+      returnType: void
 net.corda.v5.ledger.utxo.transaction.UtxoTransactionBuilder:
   annotations:
     - DoNotImplement
diff --git a/ledger/ledger-utxo/src/main/java/net/corda/v5/ledger/utxo/transaction/UtxoSignedTransaction.java b/ledger/ledger-utxo/src/main/java/net/corda/v5/ledger/utxo/transaction/UtxoSignedTransaction.java
index f46eb02476..9007e4cffe 100644
--- a/ledger/ledger-utxo/src/main/java/net/corda/v5/ledger/utxo/transaction/UtxoSignedTransaction.java
+++ b/ledger/ledger-utxo/src/main/java/net/corda/v5/ledger/utxo/transaction/UtxoSignedTransaction.java
@@ -132,4 +132,9 @@ public interface UtxoSignedTransaction extends TransactionWithMetadata {
     @NotNull
     @Suspendable
     UtxoLedgerTransaction toLedgerTransaction(List<StateAndRef<?>> inputStateAndRefs, List<StateAndRef<?>> referenceStateAndRefs);
+
+    /**
+     * Verifies signatures of signatory of current {@link UtxoSignedTransaction}.
+     */
+    void verifySignatorySignatures();
 }