diff --git a/package-lock.json b/package-lock.json
index 8c14fa0..ef6fa81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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@@ -2345,9 +2353,9 @@
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@@ -2548,22 +2556,6 @@
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@@ -2663,9 +2655,9 @@
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@@ -2678,9 +2670,9 @@
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+      "version": "10.11.0",
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@@ -2704,9 +2696,9 @@
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-      "integrity": "sha1-d201pjSlwi5lbkdEvetU+D/Szo0=",
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diff --git a/package.json b/package.json
index 79bd4af..00a2e46 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,6 @@
     "parkes-router": "^0.2.0",
     "pluralize": "^7.0.0",
     "qs": "^6.5.1",
-    "sequelize": "^4.28.5"
+    "sequelize": "^5.15.1"
   }
 }