diff --git a/package-lock.json b/package-lock.json
index af99080..10dcfec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,230 +2,187 @@
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 }
diff --git a/package.json b/package.json
index 14df1a5..3d656df 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   ],
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+    "commitizen": "^3.0.0",
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     "cz-conventional-changelog": "^2.0.0",
     "istanbul": "^0.4.5",