diff --git a/solidity/contracts/ECDSARewardsEscrowBeneficiary.sol b/solidity/contracts/ECDSARewardsEscrowBeneficiary.sol
new file mode 100644
index 000000000..73d386ff3
--- /dev/null
+++ b/solidity/contracts/ECDSARewardsEscrowBeneficiary.sol
@@ -0,0 +1,23 @@
+pragma solidity 0.5.17;
+
+import "@keep-network/keep-core/contracts/PhasedEscrow.sol";
+
+/// @title ECDSARewardsEscrowBeneficiary
+/// @notice Transfer the received tokens from PhasedEscrow to a designated
+///         ECDSARewards contract.
+contract ECDSARewardsEscrowBeneficiary is StakerRewardsBeneficiary {
+    constructor(IERC20 _token, IStakerRewards _stakerRewards)
+        public
+        StakerRewardsBeneficiary(_token, _stakerRewards)
+    {}
+}
+
+/// @title ECDSABackportRewardsEscrowBeneficiary
+/// @notice Trasfer the received tokens from Phased Escrow to a designated
+///         ECDSABackportRewards contract.
+contract ECDSABackportRewardsEscrowBeneficiary is StakerRewardsBeneficiary {
+    constructor(IERC20 _token, IStakerRewards _stakerRewards)
+        public
+        StakerRewardsBeneficiary(_token, _stakerRewards)
+    {}
+}
diff --git a/solidity/package-lock.json b/solidity/package-lock.json
index 159ee9c4b..78d451591 100644
--- a/solidity/package-lock.json
+++ b/solidity/package-lock.json
@@ -942,9 +942,9 @@
       }
     },
     "@keep-network/keep-core": {
-      "version": "1.3.1-pre.4",
-      "resolved": "https://registry.npmjs.org/@keep-network/keep-core/-/keep-core-1.3.1-pre.4.tgz",
-      "integrity": "sha512-WrRhbDVlXd7m1HkSm9hzjKRgOj7ZEGZ/b8bTewD+LU2rh0dfxdG5gijzp2T3pyFZ+ofDZ/E7GjbIgVfYc/sYzw==",
+      "version": "1.3.1-pre.5",
+      "resolved": "https://registry.npmjs.org/@keep-network/keep-core/-/keep-core-1.3.1-pre.5.tgz",
+      "integrity": "sha512-zV1LyfWZeMS2tnLRKyL8UFCTD2MnvK92ta+U+iAz3QPqIE20MI+33hkKFMFVJxI7zIQJqNJj18eEUR8m4fG9Iw==",
       "requires": {
         "@openzeppelin/upgrades": "^2.7.2",
         "openzeppelin-solidity": "2.4.0"