diff --git a/package-lock.json b/package-lock.json
index 4981077..d5fc5f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,14 +4,6 @@
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@@ -132,18 +124,18 @@
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+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.0.tgz",
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-        "jsonfile": "^4.0.0",
-        "universalify": "^0.1.0"
+        "graceful-fs": "^4.2.0",
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@@ -168,9 +160,9 @@
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+      "version": "4.2.9",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.9.tgz",
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@@ -213,33 +205,29 @@
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-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
-      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
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-        "graceful-fs": "^4.1.6"
+        "graceful-fs": "^4.1.6",
+        "universalify": "^2.0.0"
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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-      "resolved": "https://registry.npmjs.org/log4js/-/log4js-4.4.0.tgz",
-      "integrity": "sha512-xwRvmxFsq8Hb7YeS+XKfvCrsH114bXex6mIwJ2+KmYVi23pB3+hlzyGq1JPycSFTJWNLhD/7PCtM0RfPy6/2yg==",
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/log4js/-/log4js-6.4.0.tgz",
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-        "debug": "^4.1.1",
-        "flatted": "^2.0.0",
-        "rfdc": "^1.1.4",
-        "streamroller": "^1.0.5"
+        "date-format": "^4.0.3",
+        "debug": "^4.3.3",
+        "flatted": "^3.2.4",
+        "rfdc": "^1.3.0",
+        "streamroller": "^3.0.2"
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@@ -338,9 +326,9 @@
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-      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.1.4.tgz",
-      "integrity": "sha512-5C9HXdzK8EAqN7JDif30jqsBzavB7wLpaubisuQIGHWf2gUXSpzy6ArX/+Da8RjFpagWsCn+pIgxTMAmKw9Zug=="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
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@@ -384,25 +372,13 @@
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-      "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-1.0.5.tgz",
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+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-3.0.2.tgz",
+      "integrity": "sha512-ur6y5S5dopOaRXBuRIZ1u6GC5bcEXHRZKgfBjfCglMhmIf+roVCECjvkEYzNQOXIN2/JPnkMPW/8B3CZoKaEPA==",
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-        "date-format": "^2.0.0",
-        "debug": "^3.2.6",
-        "fs-extra": "^7.0.1",
-        "lodash": "^4.17.11"
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-          "requires": {
-            "ms": "^2.1.1"
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+        "date-format": "^4.0.3",
+        "debug": "^4.1.1",
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@@ -428,9 +404,9 @@
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+      "integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ=="
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diff --git a/package.json b/package.json
index 195dc85..4bd4933 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "csv-parser": "^2.3.0",
     "jquery": "^3.4.1",
     "jquery-csv": "^1.0.3",
-    "log4js": "^4.4.0",
+    "log4js": "^6.4.0",
     "moment": "^2.24.0",
     "papaparse": "^5.0.0",
     "readline-sync": "^1.4.9"