diff --git a/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/PrimaryProvisioningCipher.java b/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/PrimaryProvisioningCipher.java
index 7b262cfae8..e0c9e7d760 100644
--- a/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/PrimaryProvisioningCipher.java
+++ b/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/PrimaryProvisioningCipher.java
@@ -62,7 +62,7 @@ public class PrimaryProvisioningCipher {
     byte[]    derivedSecret = HKDF.deriveSecrets(sharedSecret, PROVISIONING_MESSAGE.getBytes(), 64);
     byte[][]  parts         = Util.split(derivedSecret, 32, 32);
 
-    byte[] version    = { 0x00 };
+    byte[] version    = { 0x01 };
     byte[] ciphertext = getCiphertext(parts[0], message.encode());
     byte[] mac        = getMac(parts[1], Util.join(version, ciphertext));
     byte[] body       = Util.join(version, ciphertext, mac);
diff --git a/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/SecondaryProvisioningCipher.kt b/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/SecondaryProvisioningCipher.kt
index 6707644e4e..97225423d4 100644
--- a/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/SecondaryProvisioningCipher.kt
+++ b/libsignal-service/src/main/java/org/whispersystems/signalservice/internal/crypto/SecondaryProvisioningCipher.kt
@@ -66,7 +66,7 @@ class SecondaryProvisioningCipher(private val secondaryIdentityKeyPair: Identity
       return ProvisioningDecryptResult.Error()
     }
 
-    val plaintext = decrypt(expectedVersion = 0, primaryEphemeralPublicKey = envelope.publicKey.toByteArray(), body = envelope.body.toByteArray())
+    val plaintext = decrypt(expectedVersion = 1, primaryEphemeralPublicKey = envelope.publicKey.toByteArray(), body = envelope.body.toByteArray())
 
     if (plaintext == null) {
       Log.w(TAG, "Plaintext is null")