diff --git a/chapter7/quorum-examples/examples/7nodes/package-lock.json b/chapter7/quorum-examples/examples/7nodes/package-lock.json
index 579d5aa..85f3996 100644
--- a/chapter7/quorum-examples/examples/7nodes/package-lock.json
+++ b/chapter7/quorum-examples/examples/7nodes/package-lock.json
@@ -1360,9 +1360,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.3.tgz",
-      "integrity": "sha512-+bMdgqjMN/Z77a6NlY/I3U5LlRDbnmaAk6lDveAPKwSpcPM4tKAuYsvYF8xjhOPXhOYGe/73vVLVez5PW+jqhw=="
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q=="
     },
     "mkdirp": {
       "version": "0.5.1",
diff --git a/chapter7/quorum-examples/examples/7nodes/package.json b/chapter7/quorum-examples/examples/7nodes/package.json
index fb162f1..3059ea6 100644
--- a/chapter7/quorum-examples/examples/7nodes/package.json
+++ b/chapter7/quorum-examples/examples/7nodes/package.json
@@ -12,7 +12,7 @@
     "ethereumjs-tx": "^1.3.4",
     "fs": "0.0.1-security",
     "keythereum": "^1.0.4",
-    "minimist": "^1.2.3",
+    "minimist": "^1.2.6",
     "web3": "^1.0.0-beta.34"
   }
 }