diff --git a/package-lock.json b/package-lock.json
index f13070f..c5681b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,25 +4,49 @@
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-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
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@@ -282,17 +301,25 @@
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@@ -385,80 +412,87 @@
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@@ -469,6 +503,11 @@
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diff --git a/package.json b/package.json
index 01d06d3..9b0bd7e 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
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     "gridfs-stream": "1.1.1",
-    "mongoose": "4.12.3"
+    "mongoose": "5.13.15"
   },
   "devDependencies": {
     "chai": "4.1.0",