diff --git a/README.md b/README.md
index d4f3bdc..4fa189a 100644
--- a/README.md
+++ b/README.md
@@ -239,6 +239,8 @@ class BtcDotCom extends Driver {
 }
 ```
 
+An example of how to use exonum-client-anchoring can be found [here](https://github.com/exonum/anchoring-client-example)
+
 ## Instance methods
 
 #### `blockStatus(blockHeight)`
diff --git a/package-lock.json b/package-lock.json
index 91297ff..3cd6c58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -213,12 +213,12 @@
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+        "micromatch": "^3.1.4",
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@@ -580,6 +504,12 @@
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@@ -2099,20 +2029,62 @@
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@@ -2582,6 +2554,12 @@
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+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
       "dev": true,
       "requires": {
-        "options": ">=0.0.5",
-        "ultron": "1.0.x"
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
       }
     },
-    "wtf-8": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
-      "dev": true
-    },
     "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
       "dev": true
     },
     "xtend": {
diff --git a/package.json b/package.json
index c12d59e..eb4ee40 100644
--- a/package.json
+++ b/package.json
@@ -53,11 +53,11 @@
     "cross-env": "^5.2.0",
     "eslint": "^4.11.0",
     "eslint-config-standard": "^10.2.1",
-    "eslint-plugin-import": "^2.13.0",
+    "eslint-plugin-import": "^2.14.0",
     "eslint-plugin-node": "^5.2.1",
     "eslint-plugin-promise": "^3.6.0",
     "eslint-plugin-standard": "^3.0.1",
-    "karma": "^1.7.1",
+    "karma": "^3.0.0",
     "karma-babel-preprocessor": "^7.0.0",
     "karma-browserify": "^5.3.0",
     "karma-firefox-launcher": "^1.0.1",
@@ -73,14 +73,14 @@
     "rollup-plugin-commonjs": "^8.2.6",
     "rollup-plugin-eslint": "^4.0.0",
     "rollup-plugin-node-builtins": "^2.1.2",
-    "rollup-plugin-node-resolve": "^3.0.0",
+    "rollup-plugin-node-resolve": "^3.4.0",
     "rollup-plugin-uglify": "^2.0.1",
     "sinon": "^4.1.2"
   },
   "dependencies": {
     "axios": "^0.16.2",
-    "big-integer": "^1.6.32",
-    "bitcoinjs-lib": "^3.3.0",
+    "big-integer": "^1.6.36",
+    "bitcoinjs-lib": "^3.3.2",
     "core.js": "^0.4.2",
     "exonum-client": "0.12.1",
     "idb-keyval": "^2.3.0"