diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index 199575c6..745bc21f
--- a/package-lock.json
+++ b/package-lock.json
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-        "debug": "2.2.0",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
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+        "debug": "3.1.0",
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-      "integrity": "sha1-o6bXTmiogPQzokmnSWnLtmXMCt0="
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-      "integrity": "sha1-PHa1OC6rM+RLdY0oE8qdkuk0LzQ="
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@@ -1615,32 +1596,30 @@
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-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
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       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
+      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
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@@ -1649,6 +1628,11 @@
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+    },
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@@ -1749,15 +1733,20 @@
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+      "resolved": "https://registry.npmjs.org/sift/-/sift-7.0.1.tgz",
+      "integrity": "sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g=="
+    },
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       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
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-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-      "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
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@@ -1787,15 +1776,6 @@
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diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index ff81bb83..b69429b7
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
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     "machinelearn": "^2.1.5",
     "method-override": "~2.0.2",
-    "mongoose": "~3.8.0",
+    "mongoose": "~5.7.5",
     "pug": "^2.0.4"
   }
 }