diff --git a/solidity/package-lock.json b/solidity/package-lock.json
index bc326c4a3..d9cddf57a 100644
--- a/solidity/package-lock.json
+++ b/solidity/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@keep-network/tbtc",
-  "version": "0.15.0-pre",
+  "version": "0.15.0-rc",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -33,9 +33,9 @@
       }
     },
     "@keep-network/keep-core": {
-      "version": "0.15.0-pre.0",
-      "resolved": "https://registry.npmjs.org/@keep-network/keep-core/-/keep-core-0.15.0-pre.0.tgz",
-      "integrity": "sha512-cfrhRJX9+zkimYQ/6ASoX3inZIQ3V1dx2YDDgmoVzctm93yDKcz++fWiGSz6PXbYOUMq8Svj+a1Sv5KJSg2WLg==",
+      "version": "1.2.0-rc.0",
+      "resolved": "https://registry.npmjs.org/@keep-network/keep-core/-/keep-core-1.2.0-rc.0.tgz",
+      "integrity": "sha512-x4Lv5OhY7/qLwjRYLufls6Fpd/DcExH+HHkL/FvKOa4caqLDikcdnMH7xzXtrDitwqepn57Qvhjboo1MO7A/Sw==",
       "requires": {
         "@openzeppelin/contracts-ethereum-package": "^2.4.0",
         "@openzeppelin/upgrades": "^2.7.2",
@@ -50,11 +50,11 @@
       }
     },
     "@keep-network/keep-ecdsa": {
-      "version": "0.15.0-pre.1",
-      "resolved": "https://registry.npmjs.org/@keep-network/keep-ecdsa/-/keep-ecdsa-0.15.0-pre.1.tgz",
-      "integrity": "sha512-wB6JI6Cw6bwMVr57yITAk3vSK1mH3H+YIB1mgzvNbrIMyOlu4xLiQ+OXCJwA7/HLx7i6l5jbMd72XIZmNdXetg==",
+      "version": "0.16.0-rc.0",
+      "resolved": "https://registry.npmjs.org/@keep-network/keep-ecdsa/-/keep-ecdsa-0.16.0-rc.0.tgz",
+      "integrity": "sha512-pgixJ4AKR9/4jwOSmBTAKmNEstMt76Tyi9vucDG5qspHjweGpozGltdIWRghotV0+x12nEXTY8k2AuSSN3GQRw==",
       "requires": {
-        "@keep-network/keep-core": ">0.15.0-pre <0.15.0-rc",
+        "@keep-network/keep-core": ">1.2.0-rc <1.2.0",
         "@keep-network/sortition-pools": "0.3.0",
         "@openzeppelin/upgrades": "^2.7.2",
         "openzeppelin-solidity": "2.3.0",
@@ -152,9 +152,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-2.5.0.tgz",
-      "integrity": "sha512-t3jm8FrhL9tkkJTofkznTqo/XXdHi21w5yXwalEnaMOp22ZwZ0f/mmKdlgMMLPFa6bSVHbY88mKESwJT/7m5Lg=="
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-2.5.1.tgz",
+      "integrity": "sha512-qIy6tLx8rtybEsIOAlrM4J/85s2q2nPkDqj/Rx46VakBZ0LwtFhXIVub96LXHczQX0vaqmAueDqNPXtbSXSaYQ=="
     },
     "@openzeppelin/contracts-ethereum-package": {
       "version": "2.5.0",
@@ -1006,9 +1006,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "12.12.37",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.37.tgz",
-          "integrity": "sha512-4mXKoDptrXAwZErQHrLzpe0FN/0Wmf5JRniSVIdwUrtDf9wnmEV1teCNLBo/TwuXhkK/bVegoEn/wmb+x0AuPg=="
+          "version": "12.12.38",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.38.tgz",
+          "integrity": "sha512-75eLjX0pFuTcUXnnWmALMzzkYorjND0ezNEycaKesbUBg9eGZp4GHPuDmkRc4mQQvIpe29zrzATNRA6hkYqwmA=="
         },
         "bignumber.js": {
           "version": "7.2.1",
@@ -1081,9 +1081,9 @@
       "integrity": "sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ=="
     },
     "@solidity-parser/parser": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/@solidity-parser/parser/-/parser-0.5.2.tgz",
-      "integrity": "sha512-uRyvnvVYmgNmTBpWDbBsH/0kPESQhQpEc4KsvMRLVzFJ1o1s0uIv0Y6Y9IB5vI1Dwz2CbS4X/y4Wyw/75cTFnQ=="
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/@solidity-parser/parser/-/parser-0.6.1.tgz",
+      "integrity": "sha512-MUA5kP9LdeTILeOsaz/k/qA4MdTNUxrn6q6HMYsMzQN5crU9bWKND2DaoWZhzofQM0VaTOaD8GFkCw1BYbNj5w=="
     },
     "@summa-tx/bitcoin-spv-sol": {
       "version": "3.0.0",
@@ -27537,12 +27537,12 @@
       }
     },
     "truffle-flattener": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/truffle-flattener/-/truffle-flattener-1.4.3.tgz",
-      "integrity": "sha512-r29fkSkV8i9oMW35KbpKR0bP4iPnzIJqlW2S+CL3BjLsxq6YnlMn9+e0BpiJIJPmeXJgeYHQvCGceucpM0Dovg==",
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/truffle-flattener/-/truffle-flattener-1.4.4.tgz",
+      "integrity": "sha512-S/WmvubzlUj1mn56wEI6yo1bmPpKDNdEe5rtyVC1C5iNfZWobD/V69pAYI15IBDJrDqUyh+iXgpTkzov50zpQw==",
       "requires": {
         "@resolver-engine/imports-fs": "^0.2.2",
-        "@solidity-parser/parser": "^0.5.2",
+        "@solidity-parser/parser": "^0.6.0",
         "find-up": "^2.1.0",
         "mkdirp": "^1.0.4",
         "tsort": "0.0.1"
diff --git a/solidity/package.json b/solidity/package.json
index eb7445ded..d8a08160a 100644
--- a/solidity/package.json
+++ b/solidity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@keep-network/tbtc",
-  "version": "0.15.0-pre",
+  "version": "0.15.0-rc",
   "description": "The tBTC smart contracts implementing the TBTC trustlessly Bitcoin-backed ERC-20 token.",
   "repository": {
     "type": "git",
@@ -34,7 +34,7 @@
   },
   "homepage": "https://tbtc.network/",
   "dependencies": {
-    "@keep-network/keep-ecdsa": ">0.15.0-pre <0.15.0-rc",
+    "@keep-network/keep-ecdsa": ">0.16.0-rc <0.16.0",
     "@summa-tx/bitcoin-spv-sol": "^3.0.0",
     "@summa-tx/relay-sol": "^2.0.1",
     "openzeppelin-solidity": "2.3.0"