diff --git a/package-lock.json b/package-lock.json
index 0c78631..fc5a82c 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -6032,6 +6129,12 @@
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-      "optional": true
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@@ -8758,6 +8830,12 @@
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 }
diff --git a/package.json b/package.json
index 9d0e612..b9d7c36 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
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     "eslint-loader": "4.0.2",
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+    "mocha": "8.2.1",
     "nyc": "15.1.0",
     "rimraf": "3.0.2",
     "webpack": "4.45.0",