diff --git a/aws_cdk/cdk-workshop/package-lock.json b/aws_cdk/cdk-workshop/package-lock.json
index 666ad488..926e8797 100644
--- a/aws_cdk/cdk-workshop/package-lock.json
+++ b/aws_cdk/cdk-workshop/package-lock.json
@@ -2190,12 +2190,6 @@
           "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
           "dev": true
         },
-        "ip": {
-          "version": "1.1.5",
-          "resolved": "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a",
-          "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
-          "dev": true
-        },
         "is-buffer": {
           "version": "1.1.6",
           "resolved": "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be",
@@ -4493,6 +4487,12 @@
         "loose-envify": "^1.0.0"
       }
     },
+    "ip": {
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.9.tgz",
+      "integrity": "sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==",
+      "dev": true
+    },
     "is-accessor-descriptor": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",