diff --git a/playground_robotics/02_P5js/p5js-osc/package-lock.json b/playground_robotics/02_P5js/p5js-osc/package-lock.json
index 7203c48..52981d1 100644
--- a/playground_robotics/02_P5js/p5js-osc/package-lock.json
+++ b/playground_robotics/02_P5js/p5js-osc/package-lock.json
@@ -99,25 +99,30 @@
         "debug": "2.6.9",
         "engine.io-parser": "1.2.4",
         "ws": "1.1.5"
-      }
-    },
-    "engine.io-client": {
-      "version": "1.6.8",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.6.8.tgz",
-      "integrity": "sha1-bi2xFki0XkBcRrFy6j49rDfMDOs=",
-      "requires": {
-        "component-emitter": "1.1.2",
-        "component-inherit": "0.0.3",
-        "debug": "2.6.9",
-        "engine.io-parser": "1.2.4",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "parsejson": "0.0.1",
-        "parseqs": "0.0.2",
-        "parseuri": "0.0.4",
-        "ws": "1.0.1",
-        "xmlhttprequest-ssl": "1.5.1",
-        "yeast": "0.1.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "ws": {
+          "version": "1.1.5",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.5.tgz",
+          "integrity": "sha512-o3KqipXNUdS7wpQzBHSe180lBGO60SoK0yVo3CYJgb2MkobuWuBX6dhkYP5ORCLd55y+SaflMOV5fqAB53ux4w==",
+          "requires": {
+            "options": ">=0.0.5",
+            "ultron": "1.0.x"
+          }
+        }
       }
     },
     "engine.io-parser": {
@@ -200,9 +205,9 @@
       "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
     },
     "negotiator": {
-      "version": "0.4.9",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.4.9.tgz",
-      "integrity": "sha1-kuRrbbU8fkIe1koryU8IvnYw3z8="
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
+      "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
     "node-osc": {
       "version": "2.1.0",
@@ -326,6 +331,32 @@
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.0.tgz",
           "integrity": "sha1-zNETqGOI0GSC0D3j/H35hSa6jv4="
+        },
+        "engine.io-client": {
+          "version": "1.6.9",
+          "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.6.9.tgz",
+          "integrity": "sha1-HWrUgEilCDyVCWlDsp0279shJAE=",
+          "requires": {
+            "component-emitter": "1.1.2",
+            "component-inherit": "0.0.3",
+            "debug": "2.2.0",
+            "engine.io-parser": "1.2.4",
+            "has-cors": "1.1.0",
+            "indexof": "0.0.1",
+            "parsejson": "0.0.1",
+            "parseqs": "0.0.2",
+            "parseuri": "0.0.4",
+            "ws": "1.0.1",
+            "xmlhttprequest-ssl": "1.5.1",
+            "yeast": "0.1.2"
+          },
+          "dependencies": {
+            "component-emitter": {
+              "version": "1.1.2",
+              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
+              "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
+            }
+          }
         }
       }
     },