diff --git a/package-lock.json b/package-lock.json
index 2777fe1..7398280 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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@@ -175,17 +175,17 @@
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@@ -1378,9 +1378,9 @@
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+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-2.5.1.tgz",
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@@ -22953,16 +22953,22 @@
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-        "optimist": "^0.6.1",
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-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
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@@ -25055,27 +25061,6 @@
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@@ -29464,9 +29449,9 @@
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