diff --git a/spedn-js/rts-bchjs/package-lock.json b/spedn-js/rts-bchjs/package-lock.json
index 418d443..2005775 100644
--- a/spedn-js/rts-bchjs/package-lock.json
+++ b/spedn-js/rts-bchjs/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@spedn/rts-bchjs",
-  "version": "3.1.1",
+  "version": "4.0.0-rc.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@spedn/rts-bchjs",
-      "version": "3.1.1",
+      "version": "4.0.0-rc.1",
       "funding": [
         "https://spedn.pl/#support",
         "bitcoincash:qrc2jhalczuka8q3dvk0g8mnkqx79wxp9gvvqvg7qt"
@@ -14,7 +14,7 @@
       "license": "MIT",
       "dependencies": {
         "@psf/bch-js": "^6.7.4",
-        "@spedn/rts": "^4.0.0-rc.0"
+        "@spedn/rts": "^4.0.0-rc.1"
       },
       "devDependencies": {
         "@types/node": "^14.0.27",
@@ -126,14 +126,14 @@
       }
     },
     "node_modules/@spedn/rts": {
-      "version": "4.0.0-rc.0",
-      "resolved": "https://registry.npmjs.org/@spedn/rts/-/rts-4.0.0-rc.0.tgz",
-      "integrity": "sha512-zE1LRrt0wEXcthBPl+yulTq98KxZMc+QLhr5x2WG83uUfyWweETGx2bTpmrnPZp6qIXkIHrWShrAXF6prh+xmw==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@spedn/rts/-/rts-4.0.0.tgz",
+      "integrity": "sha512-ULHohLTrbidK4mU87KyiV2bnBJhU7XnxMDQAiRmRBsjT7PwYtD5Hgf3tfyG1kIAfBbpQp/Gng9QGdHopaQaemw==",
       "funding": [
         "https://spedn.pl/#support",
+        "ecash:qp8x5wakcts248drk5apn4k09a53qclcevjayr77xh",
         "bitcoincash:qrc2jhalczuka8q3dvk0g8mnkqx79wxp9gvvqvg7qt"
       ],
-      "license": "MIT",
       "dependencies": {
         "lodash": "^4.17.21",
         "varuint-bitcoin": "1.1.2"
@@ -589,10 +589,9 @@
       }
     },
     "node_modules/elliptic": {
-      "version": "6.5.5",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.5.tgz",
-      "integrity": "sha512-7EjbcmUm17NQFu4Pmgmq2olYMj8nwMnpcddByChSUjArp8F5DQWcIcpriwO4ZToLNAJig0yiyjswfyGNje/ixw==",
-      "license": "MIT",
+      "version": "6.5.7",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.7.tgz",
+      "integrity": "sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==",
       "dependencies": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",