diff --git a/package.json b/package.json
index ee92274..4f4afe3 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "bitcoinjs-lib": "^5.0.5",
     "fast-csv": "^2.5.0",
     "level": "^5.0.1",
-    "log4js": "^4.3.1",
+    "log4js": "^4.5.1",
     "mongodb": "^3.2.6",
     "request": "^2.88.0"
   }
diff --git a/yarn.lock b/yarn.lock
index 93e6d50..750be80 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1596,16 +1596,21 @@ lodash@^4.17.11, lodash@^4.17.4:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
-log4js@^4.3.1:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/log4js/-/log4js-4.3.1.tgz#026cb6fb3cd5b9c4682a96478c356c97b497686e"
-  integrity sha512-nPGS7w7kBnzNm1j8JycFxwLCbIMae8tHCo0cCdx/khB20Tcod8SZThYEB9E0c27ObcTGA1mlPowaf3hantQ/FA==
+lodash@^4.17.14:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
+log4js@^4.5.1:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/log4js/-/log4js-4.5.1.tgz#e543625e97d9e6f3e6e7c9fc196dd6ab2cae30b5"
+  integrity sha512-EEEgFcE9bLgaYUKuozyFfytQM2wDHtXn4tAN41pkaxpNjAykv11GVdeI4tHtmPWW4Xrgh9R/2d7XYghDVjbKKw==
   dependencies:
     date-format "^2.0.0"
     debug "^4.1.1"
     flatted "^2.0.0"
-    rfdc "^1.1.2"
-    streamroller "^1.0.5"
+    rfdc "^1.1.4"
+    streamroller "^1.0.6"
 
 loose-envify@^1.0.0:
   version "1.4.0"
@@ -2210,10 +2215,10 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-rfdc@^1.1.2:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/rfdc/-/rfdc-1.1.4.tgz#ba72cc1367a0ccd9cf81a870b3b58bd3ad07f8c2"
-  integrity sha512-5C9HXdzK8EAqN7JDif30jqsBzavB7wLpaubisuQIGHWf2gUXSpzy6ArX/+Da8RjFpagWsCn+pIgxTMAmKw9Zug==
+rfdc@^1.1.4:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/rfdc/-/rfdc-1.4.1.tgz#778f76c4fb731d93414e8f925fbecf64cce7f6ca"
+  integrity sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==
 
 rimraf@^2.6.1:
   version "2.6.3"
@@ -2402,16 +2407,16 @@ static-extend@^0.1.1:
     define-property "^0.2.5"
     object-copy "^0.1.0"
 
-streamroller@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-1.0.5.tgz#71660c20b06b1a7b204d46085731ad13c10a562d"
-  integrity sha512-iGVaMcyF5PcUY0cPbW3xFQUXnr9O4RZXNBBjhuLZgrjLO4XCLLGfx4T2sGqygSeylUjwgWRsnNbT9aV0Zb8AYw==
+streamroller@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-1.0.6.tgz#8167d8496ed9f19f05ee4b158d9611321b8cacd9"
+  integrity sha512-3QC47Mhv3/aZNFpDDVO44qQb9gwB9QggMEE0sQmkTAwBVYdBRWISdsywlkfm5II1Q5y/pmrHflti/IgmIzdDBg==
   dependencies:
     async "^2.6.2"
     date-format "^2.0.0"
     debug "^3.2.6"
     fs-extra "^7.0.1"
-    lodash "^4.17.11"
+    lodash "^4.17.14"
 
 string-extended@0.0.8:
   version "0.0.8"