diff --git a/package-lock.json b/package-lock.json
index 98479ffa6a..48c86d38c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1307,9 +1307,9 @@
             "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
         },
         "catbuffer-typescript": {
-            "version": "0.0.20",
-            "resolved": "https://registry.npmjs.org/catbuffer-typescript/-/catbuffer-typescript-0.0.20.tgz",
-            "integrity": "sha512-dww9nmGqMyyHF+D53cqxBGppq0rfjG+Jvorfho8BGZ4cOwXTwdUDoD+HTpn6f0ZlBW2w8LlbBPEGNdR9CIeyHQ=="
+            "version": "0.0.21-alpha-202006221403",
+            "resolved": "https://registry.npmjs.org/catbuffer-typescript/-/catbuffer-typescript-0.0.21-alpha-202006221403.tgz",
+            "integrity": "sha512-2iyyjv4r4RbHs6PasTLvcwPUERgNH9GEUxAlrxho+yj5gbb/ctPoNcbCNAKefFdEEimUoBK1uLyEIVu49vlQZg=="
         },
         "chai": {
             "version": "4.1.2",
diff --git a/package.json b/package.json
index 63bbcc1048..13da88b060 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     },
     "dependencies": {
         "bluebird": "^3.7.2",
-        "catbuffer-typescript": "0.0.20",
+        "catbuffer-typescript": "0.0.21-alpha-202006221403",
         "crypto-js": "^4.0.0",
         "diff": "^4.0.2",
         "futoin-hkdf": "^1.3.1",
diff --git a/src/model/transaction/SecretLockTransaction.ts b/src/model/transaction/SecretLockTransaction.ts
index a9ea47b783..b4c5864485 100644
--- a/src/model/transaction/SecretLockTransaction.ts
+++ b/src/model/transaction/SecretLockTransaction.ts
@@ -216,11 +216,11 @@ export class SecretLockTransaction extends Transaction {
             TransactionType.SECRET_LOCK.valueOf(),
             new AmountDto(this.maxFee.toDTO()),
             new TimestampDto(this.deadline.toDTO()),
+            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             new Hash256Dto(this.getSecretByte()),
             new UnresolvedMosaicBuilder(new UnresolvedMosaicIdDto(this.mosaic.id.id.toDTO()), new AmountDto(this.mosaic.amount.toDTO())),
             new BlockDurationDto(this.duration.toDTO()),
             this.hashAlgorithm.valueOf(),
-            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
         );
         return transactionBuilder.serialize();
     }
@@ -235,11 +235,11 @@ export class SecretLockTransaction extends Transaction {
             this.versionToDTO(),
             this.networkType.valueOf(),
             TransactionType.SECRET_LOCK.valueOf(),
+            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             new Hash256Dto(this.getSecretByte()),
             new UnresolvedMosaicBuilder(new UnresolvedMosaicIdDto(this.mosaic.id.id.toDTO()), new AmountDto(this.mosaic.amount.toDTO())),
             new BlockDurationDto(this.duration.toDTO()),
             this.hashAlgorithm.valueOf(),
-            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
         );
     }
 
diff --git a/src/model/transaction/SecretProofTransaction.ts b/src/model/transaction/SecretProofTransaction.ts
index 19a19c7e46..9c2a7193e1 100644
--- a/src/model/transaction/SecretProofTransaction.ts
+++ b/src/model/transaction/SecretProofTransaction.ts
@@ -197,9 +197,9 @@ export class SecretProofTransaction extends Transaction {
             TransactionType.SECRET_PROOF.valueOf(),
             new AmountDto(this.maxFee.toDTO()),
             new TimestampDto(this.deadline.toDTO()),
+            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             new Hash256Dto(this.getSecretByte()),
             this.hashAlgorithm.valueOf(),
-            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             this.getProofByte(),
         );
         return transactionBuilder.serialize();
@@ -215,9 +215,9 @@ export class SecretProofTransaction extends Transaction {
             this.versionToDTO(),
             this.networkType.valueOf(),
             TransactionType.SECRET_PROOF.valueOf(),
+            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             new Hash256Dto(this.getSecretByte()),
             this.hashAlgorithm.valueOf(),
-            new UnresolvedAddressDto(this.recipientAddress.encodeUnresolvedAddress(this.networkType)),
             this.getProofByte(),
         );
     }
diff --git a/test/model/transaction/SecretLockTransaction.spec.ts b/test/model/transaction/SecretLockTransaction.spec.ts
index b58fe67047..56c7ce6e52 100644
--- a/test/model/transaction/SecretLockTransaction.spec.ts
+++ b/test/model/transaction/SecretLockTransaction.spec.ts
@@ -132,8 +132,8 @@ describe('SecretLockTransaction', () => {
         );
         const signedTx = secretLockTransaction.signWith(account, generationHash);
         expect(signedTx.payload.substring(256, signedTx.payload.length)).to.be.equal(
-            '9B3155B37159DA50AA52D5967C509B410F5A36A3B1E31ECB5AC76675D79B4A5E44B262C46CEABB850' +
-                'A000000000000006400000000000000009026D27E1D0A26CA4E316F901E23E55C8711DB20DF11A7B2',
+            '9026D27E1D0A26CA4E316F901E23E55C8711DB20DF11A7B29B3155B37159DA50AA52D5967C509B410' +
+                'F5A36A3B1E31ECB5AC76675D79B4A5E44B262C46CEABB850A00000000000000640000000000000000',
         );
     });
 
diff --git a/test/model/transaction/SecretProofTransaction.spec.ts b/test/model/transaction/SecretProofTransaction.spec.ts
index 589ae0d030..7ad17698d2 100644
--- a/test/model/transaction/SecretProofTransaction.spec.ts
+++ b/test/model/transaction/SecretProofTransaction.spec.ts
@@ -202,8 +202,8 @@ describe('SecretProofTransaction', () => {
 
         const signedTx = secretProofTransaction.signWith(account, generationHash);
         expect(signedTx.payload.substring(256, signedTx.payload.length)).to.be.equal(
-            '9B3155B37159DA50AA52D5967C509B410F5A36A3B1E31ECB5AC76675D79B4A5E20000090D66C33420E5411995BACFCA2' +
-                'B28CF1C9F5DD7AB1204EA4B778A39A3663719DFC5E48C9D78431B1E45C2AF9DF538782BF199C189DABEAC7',
+            '90D66C33420E5411995BACFCA2B28CF1C9F5DD7AB1204EA49B3155B37159DA50AA52D5967C509B410F5A36A3B1E31ECB5AC7667' +
+                '5D79B4A5E200000B778A39A3663719DFC5E48C9D78431B1E45C2AF9DF538782BF199C189DABEAC7',
         );
     });