diff --git a/contracts/core/RegistrationManager.sol b/contracts/core/RegistrationManager.sol
index b051e84..88f17d3 100644
--- a/contracts/core/RegistrationManager.sol
+++ b/contracts/core/RegistrationManager.sol
@@ -472,7 +472,14 @@ contract RegistrationManager is IRegistrationManager, Initializable, UUPSUpgrade
         }
         registration.endEpoch = endEpoch;
 
-        emit DurationIncreased(sentinel, endEpoch);
+        emit SentinelRegistrationUpdated(
+            owner,
+            registration.startEpoch,
+            registration.endEpoch,
+            sentinel,
+            Constants.REGISTRATION_SENTINEL_STAKING,
+            stake.amount
+        );
     }
 
     function _getActorAddressFromSignatureAndIncreaseSignatureNonce(
diff --git a/contracts/interfaces/IRegistrationManager.sol b/contracts/interfaces/IRegistrationManager.sol
index 2d7908a..5f72af3 100644
--- a/contracts/interfaces/IRegistrationManager.sol
+++ b/contracts/interfaces/IRegistrationManager.sol
@@ -23,14 +23,6 @@ interface IRegistrationManager {
      */
     event BorrowingSentinelSlashed(address indexed sentinel);
 
-    /**
-     * @dev Emitted when an user increases his staking sentinel registration position by increasing his lock time within the Staking Manager.
-     *
-     * @param sentinel The sentinel
-     * @param endEpoch The new end epoch
-     */
-    event DurationIncreased(address indexed sentinel, uint16 endEpoch);
-
     /**
      * @dev Emitted when a guardian is slashed.
      *
diff --git a/test/RegistrationManager.test.js b/test/RegistrationManager.test.js
index e4d1c72..8923a67 100644
--- a/test/RegistrationManager.test.js
+++ b/test/RegistrationManager.test.js
@@ -616,8 +616,8 @@ describe('RegistrationManager', () => {
     expect(await epochsManager.currentEpoch()).to.be.equal(3)
     duration = EPOCH_DURATION * 4
     await expect(registrationManager.connect(pntHolder1)['increaseSentinelRegistrationDuration(uint64)'](duration))
-      .to.emit(registrationManager, 'DurationIncreased')
-      .withArgs(sentinel1.address, 10)
+      .to.emit(registrationManager, 'SentinelRegistrationUpdated')
+      .withArgs(pntHolder1.address, 3, 10, sentinel1.address, REGISTRATION_SENTINEL_STAKING, amount)
 
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 3)).to.be.eq(truncateWithPrecision(amount))
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 4)).to.be.eq(truncateWithPrecision(amount))
@@ -721,8 +721,8 @@ describe('RegistrationManager', () => {
     expect(await epochsManager.currentEpoch()).to.be.equal(4)
     duration = EPOCH_DURATION * 4
     await expect(registrationManager.connect(pntHolder1)['increaseSentinelRegistrationDuration(uint64)'](duration))
-      .to.emit(registrationManager, 'DurationIncreased')
-      .withArgs(sentinel1.address, 9)
+      .to.emit(registrationManager, 'SentinelRegistrationUpdated')
+      .withArgs(pntHolder1.address, 3, 9, sentinel1.address, REGISTRATION_SENTINEL_STAKING, amount)
 
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 3)).to.be.eq(truncateWithPrecision(amount))
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 4)).to.be.eq(truncateWithPrecision(amount))
@@ -811,8 +811,8 @@ describe('RegistrationManager', () => {
     await time.increase(EPOCH_DURATION * 5)
     expect(await epochsManager.currentEpoch()).to.be.equal(7)
     await expect(registrationManager.connect(pntHolder1)['increaseSentinelRegistrationDuration(uint64)'](duration))
-      .to.emit(registrationManager, 'DurationIncreased')
-      .withArgs(sentinel1.address, 10)
+      .to.emit(registrationManager, 'SentinelRegistrationUpdated')
+      .withArgs(pntHolder1.address, 8, 10, sentinel1.address, REGISTRATION_SENTINEL_STAKING, amount)
 
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 8)).to.be.eq(truncateWithPrecision(amount))
     expect(await registrationManager.sentinelStakedAmountByEpochOf(sentinel1.address, 9)).to.be.eq(truncateWithPrecision(amount))