diff --git a/website/package-lock.json b/website/package-lock.json
index 998c43a..3927c8b 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": {
@@ -4229,9 +4243,9 @@
             "dev": true
         },
         "async": {
-            "version": "2.6.3",
-            "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-            "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+            "version": "2.6.4",
+            "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+            "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
             "dev": true,
             "requires": {
                 "lodash": "^4.17.14"
@@ -12678,12 +12692,6 @@
                 }
             }
         },
-        "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 +14989,4 @@
             "integrity": "sha512-GkPiJL8jifSrKReKaTZ5jkhrMEgXbXYC+IPo1iquBjayRa0q86w3Dipjn8b415jpitMExe9lV8iTsv8tk3DGag=="
         }
     }
-}
\ No newline at end of file
+}