diff --git a/package-lock.json b/package-lock.json
index 2a803e6..79a8f00 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3031,6 +3031,38 @@
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+        "lodash.isnil": "^4.0.0"
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+        "lodash.groupby": "^4.6.0",
+        "lodash.isfunction": "^3.0.9",
+        "lodash.isnil": "^4.0.0",
+        "lodash.isundefined": "^3.0.1",
+        "lodash.uniq": "^4.5.0"
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+          "resolved": "https://registry.npmjs.org/lodash.groupby/-/lodash.groupby-4.6.0.tgz",
+          "integrity": "sha1-Cwih3PaDl8OXhVwyOXg4Mt90A9E="
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       "resolved": "https://registry.npmjs.org/@hapi/address/-/address-2.1.4.tgz",
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-    "@types/lodash": {
-      "version": "4.14.141",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.141.tgz",
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@@ -5345,7 +5372,8 @@
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+      "dev": true
     },
     "@types/npmlog": {
       "version": "4.1.2",
@@ -12656,13 +12684,20 @@
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-      "resolved": "https://registry.npmjs.org/fast-csv/-/fast-csv-3.4.0.tgz",
-      "integrity": "sha512-/vPTDJc/l6VLOLIqcrMjuhyi8ZVTipTNl2GkVvaYiHlyh16oQMYPUkUVfREurT3MYE9j3mLQDk2Q8kPq30qQCg==",
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/fast-csv/-/fast-csv-4.3.2.tgz",
+      "integrity": "sha512-tmvVMsliprsl7P1z++XuhfGZPTz/h2sTLhs5PYVhtOSsu7t0T2q1TdWq/CORQsD9Cc2oPiTchpf7gACLXArNYQ==",
       "requires": {
-        "@types/lodash": "^4.14.132",
-        "@types/node": "^12.0.2",
-        "lodash": "^4.17.13"
+        "@fast-csv/format": "4.3.1",
+        "@fast-csv/parse": "4.3.2",
+        "@types/node": "^14.0.1"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "14.11.2",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.11.2.tgz",
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+        }
       }
     },
     "fast-deep-equal": {
@@ -18239,7 +18274,8 @@
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+      "dev": true
     },
     "lodash-es": {
       "version": "4.17.15",
@@ -18868,6 +18904,11 @@
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       "dev": true
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+    "lodash.escaperegexp": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz",
+      "integrity": "sha1-ZHYsSGGAglGKw99Mz11YhtriA0c="
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     "lodash.every": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/lodash.every/-/lodash.every-3.2.3.tgz",
@@ -19186,8 +19227,7 @@
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       "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
-      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY=",
-      "dev": true
+      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
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     "lodash.isdate": {
       "version": "3.0.3",
@@ -19236,14 +19276,12 @@
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       "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
-      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=",
-      "dev": true
+      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA="
     },
     "lodash.isfunction": {
       "version": "3.0.9",
       "resolved": "https://registry.npmjs.org/lodash.isfunction/-/lodash.isfunction-3.0.9.tgz",
-      "integrity": "sha512-AirXNj15uRIMMPihnkInB4i3NHeb4iBtNg9WRWuK2o31S+ePwwNmDPaTL3o7dTJ+VXNZim7rFs4rxN4YU1oUJw==",
-      "dev": true
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     "lodash.isinteger": {
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@@ -19251,6 +19289,11 @@
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       "dev": true
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+    "lodash.isnil": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/lodash.isnil/-/lodash.isnil-4.0.0.tgz",
+      "integrity": "sha1-SeKM1VkBNFjIFMVHnTxmOiG/qmw="
+    },
     "lodash.isnumber": {
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       "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
@@ -19285,6 +19328,11 @@
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       "dev": true
     },
+    "lodash.isundefined": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isundefined/-/lodash.isundefined-3.0.1.tgz",
+      "integrity": "sha1-I+89lTVWUgOmbO/VuDD4SJEa+0g="
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@@ -19702,8 +19750,7 @@
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       "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",
-      "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=",
-      "dev": true
+      "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M="
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     "lodash.uniqueid": {
       "version": "3.2.0",
diff --git a/package.json b/package.json
index e736870..b9c803f 100644
--- a/package.json
+++ b/package.json
@@ -153,7 +153,7 @@
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     "bson": "github:addaleax/js-bson#after-the-next-bson-release-you-can-just-use-the-npm-package-again",
     "csv-parser": "^2.3.1",
-    "fast-csv": "^3.4.0",
+    "fast-csv": "^4.3.2",
     "flat": "cipacda/flat",
     "javascript-stringify": "^2.0.1",
     "lodash.isobjectlike": "^4.0.0",