diff --git a/package-lock.json b/package-lock.json
index ea32045..d51ce17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2222,6 +2222,11 @@
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+    "flatted": {
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+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.4.tgz",
+      "integrity": "sha512-8/sOawo8tJ4QOBX8YlQBMxL8+RLZfxMQOif9o0KUKTNTjMYElWPE0r/m5VNFxTRd0NSw8qSy8dajrwX4RYI1Hw=="
+    },
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       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -4098,58 +4103,73 @@
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-      "resolved": "https://registry.npmjs.org/log4js/-/log4js-1.1.1.tgz",
-      "integrity": "sha1-wh0px2BAieTyVYM+f5SzRh3h/0M=",
-      "requires": {
-        "debug": "2.6.9",
-        "semver": "5.7.0",
-        "streamroller": "0.4.1"
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/log4js/-/log4js-6.4.0.tgz",
+      "integrity": "sha512-ysc/XUecZJuN8NoKOssk3V0cQ29xY4fra6fnigZa5VwxFsCsvdqsdnEuAxNN89LlHpbE4KUD3zGcn+kFqonSVQ==",
+      "requires": {
+        "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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-          "resolved": "https://registry.npmjs.org/date-format/-/date-format-0.0.0.tgz",
-          "integrity": "sha1-CSBoY6sHDrRZrOpVQsvYVrEZZrM="
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/date-format/-/date-format-4.0.3.tgz",
+          "integrity": "sha512-7P3FyqDcfeznLZp2b+OMitV9Sz2lUnsT87WaTat9nVwqsBkTzPG3lPLNwW3en6F4pHUiWzr6vb8CLhjdK9bcxQ=="
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-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        "debug": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.3.tgz",
+          "integrity": "sha512-/zxw5+vh1Tfv+4Qn7a5nsbcJKPaSvCDhojn6FEl9vupwK2VCSDtEiEtqr8DFtzYFOdz63LBkxec7DYuc2jon6Q==",
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+        "fs-extra": {
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+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.0.tgz",
+          "integrity": "sha512-C5owb14u9eJwizKGdchcDUQeFtlSHHthBk8pbX9Vc1PFZrLombudjDnNns88aYslCyF6IY5SUw3Roz6xShcEIQ==",
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-            "inherits": "2.0.3",
-            "isarray": "0.0.1",
-            "string_decoder": "0.10.31"
+            "graceful-fs": "^4.2.0",
+            "jsonfile": "^6.0.1",
+            "universalify": "^2.0.0"
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+        "jsonfile": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
+          "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+          "requires": {
+            "graceful-fs": "^4.1.6",
+            "universalify": "^2.0.0"
+          }
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+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "rfdc": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
+          "integrity": "sha512-V2hovdzFbOi77/WajaSMXk2OLm+xNIeQdMMuB7icj7bk6zi2F8GGAxigcnDFpJHbNyNcgyJDiP+8nOrY5cZGrA=="
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-          "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-0.4.1.tgz",
-          "integrity": "sha1-1DW9WXQ3Or2b2QaDWVEwhRBswF8=",
+          "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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-            "mkdirp": "0.5.1",
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-              "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk="
-            }
+            "date-format": "^4.0.3",
+            "debug": "^4.1.1",
+            "fs-extra": "^10.0.0"
           }
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-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        "universalify": {
+          "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 9a62463..de9142c 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "js-yaml": "^3.12.0",
     "jsonwebtoken": "^8.5.1",
     "lodash": "^4.17.19",
-    "log4js": "^1.1.1",
+    "log4js": "^6.4.0",
     "pg": "^7.9.0",
     "request-promise": "^4.2.2",
     "swagger-ui-express": "^3.0.10"