diff --git a/website/package-lock.json b/website/package-lock.json
index 998c43a..0ab1019 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -113,6 +113,12 @@
                             "dev": true
                         }
                     }
+                },
+                "tree-kill": {
+                    "version": "1.2.1",
+                    "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
+                    "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==",
+                    "dev": true
                 }
             }
         },
@@ -3552,6 +3558,14 @@
                 "rxjs": "6.4.0",
                 "tree-kill": "1.2.1",
                 "webpack-sources": "1.4.3"
+            },
+            "dependencies": {
+                "tree-kill": {
+                    "version": "1.2.1",
+                    "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
+                    "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==",
+                    "dev": true
+                }
             }
         },
         "@schematics/angular": {
@@ -6238,12 +6252,6 @@
             "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
             "dev": true
         },
-        "eventemitter3": {
-            "version": "3.1.2",
-            "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.2.tgz",
-            "integrity": "sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==",
-            "dev": true
-        },
         "events": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/events/-/events-3.1.0.tgz",
@@ -7180,14 +7188,22 @@
             "dev": true
         },
         "http-proxy": {
-            "version": "1.17.0",
-            "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.17.0.tgz",
-            "integrity": "sha512-Taqn+3nNvYRfJ3bGvKfBSRwy1v6eePlm3oc/aWVxZp57DQr5Eq3xhKJi7Z4hZpS8PC3H4qI+Yly5EmFacGuA/g==",
+            "version": "1.18.1",
+            "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+            "integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
             "dev": true,
             "requires": {
-                "eventemitter3": "^3.0.0",
+                "eventemitter3": "^4.0.0",
                 "follow-redirects": "^1.0.0",
                 "requires-port": "^1.0.0"
+            },
+            "dependencies": {
+                "eventemitter3": {
+                    "version": "4.0.7",
+                    "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+                    "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+                    "dev": true
+                }
             }
         },
         "http-proxy-agent": {
@@ -12678,12 +12694,6 @@
                 }
             }
         },
-        "tree-kill": {
-            "version": ">=1.2.2",
-            "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
-            "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==",
-            "dev": true
-        },
         "trim-right": {
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -14981,4 +14991,4 @@
             "integrity": "sha512-GkPiJL8jifSrKReKaTZ5jkhrMEgXbXYC+IPo1iquBjayRa0q86w3Dipjn8b415jpitMExe9lV8iTsv8tk3DGag=="
         }
     }
-}
\ No newline at end of file
+}