diff --git a/README.md b/README.md
index 6eb03be..fb78a04 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ yarn run updateSdkVersion master
 ## Environment variables and configuration
 
 `NODE_ENV` - Determines which config file in `./src/config` to use
-`CREATE_ACCOUNT_PRIVATE_KEY` - The private key used to sign the transaction to create a new account
+`TONOMY_OPS_PRIVATE_KEY` - The private key used to sign the transaction to create a new account
 `HCAPTCHA_SECRET` - The hCaptcha account secret key
 
 ## Test
@@ -68,9 +68,3 @@ Build command: `yarn -v && yarn install && yarn run build`
 - NOTE: we need to run `yarn install` again so that we install with `yarn@3.1.1` which we force via`.yarnrc.yml` and `.yarn/releases/yarn-3.1.1.cjs`. See <https://github.com/Tonomy-Foundation/Tonomy-Communication/issues/85> for more details.
 
 Run command: `yarn run start:prod`
-
-Environment variables
-
-- NODE_ENV
-- CREATE_ACCOUNT_PRIVATE_KEY
-- HCAPTCHA_SECRET
diff --git a/package.json b/package.json
index 7e0bc78..3047523 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@nestjs/platform-socket.io": "^10.2.3",
     "@nestjs/swagger": "^7.1.10",
     "@nestjs/websockets": "^10.2.3",
-    "@tonomy/tonomy-id-sdk": "0.18.0-rc.2",
+    "@tonomy/tonomy-id-sdk": "0.19.0-rc.2",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "hcaptcha": "^0.1.1",
diff --git a/yarn.lock b/yarn.lock
index 2598bba..4637a2a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1576,9 +1576,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@tonomy/tonomy-id-sdk@npm:0.18.0-rc.2":
-  version: 0.18.0-rc.2
-  resolution: "@tonomy/tonomy-id-sdk@npm:0.18.0-rc.2"
+"@tonomy/tonomy-id-sdk@npm:0.19.0-rc.2":
+  version: 0.19.0-rc.2
+  resolution: "@tonomy/tonomy-id-sdk@npm:0.19.0-rc.2"
   dependencies:
     "@consento/sync-randombytes": ^1.0.5
     "@tonomy/antelope-did": ^0.1.5
@@ -1593,7 +1593,7 @@ __metadata:
     elliptic: ^6.5.4
     socket.io-client: ^4.5.4
     universal-base64url: ^1.1.0
-  checksum: ae01d1a151f387a3c879bd2c089699b0e4f0f77ce3c5f58840a9848de91b8175dd9fecb759e8ed3118c75ce35644b35d13228602bcbfe4aa4da3fa3db3ec0b14
+  checksum: d4463392a7b41bbd2260253454d8c30e96a0b44325715a0a2f43a3c15f88c87159ef4e205fd8bc14a3abf1474846abcbb55cf3a5de1796a777b77fd176c88c70
   languageName: node
   linkType: hard
 
@@ -7713,7 +7713,7 @@ __metadata:
     "@nestjs/swagger": ^7.1.10
     "@nestjs/testing": ^10.2.3
     "@nestjs/websockets": ^10.2.3
-    "@tonomy/tonomy-id-sdk": 0.18.0-rc.2
+    "@tonomy/tonomy-id-sdk": 0.19.0-rc.2
     "@types/express": ^4.17.13
     "@types/jest": 29.2.4
     "@types/node": 18.11.18