diff --git a/visualization/package-lock.json b/visualization/package-lock.json
index ea3456d..3f7bd83 100644
--- a/visualization/package-lock.json
+++ b/visualization/package-lock.json
@@ -790,24 +790,30 @@
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-        "pg-pool": "^3.2.1",
-        "pg-protocol": "^1.2.5",
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+        "pg-protocol": "^1.6.0",
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-        "pgpass": "1.x",
-        "semver": "4.3.2"
+        "pgpass": "1.x"
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+      "resolved": "https://registry.npmjs.org/pg-cloudflare/-/pg-cloudflare-1.1.0.tgz",
+      "integrity": "sha512-tGM8/s6frwuAIyRcJ6nWcIvd3+3NmUKIs6OjviIm1HPPFEt5MzQDOTBQyhPWg/m0kCl95M6gA1JaIXtS8KovOA==",
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-      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.3.0.tgz",
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+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.6.0.tgz",
+      "integrity": "sha512-x14ibktcwlHKoHxx9X3uTVW9zIGR41ZB6QNhHb21OPNdCCO3NaRnpJuwKIQSR4u+Yqjx4HCvy7Hh7VSy1U4dGg=="
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@@ -820,14 +826,14 @@
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     "pg-pool": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.2.1.tgz",
-      "integrity": "sha512-BQDPWUeKenVrMMDN9opfns/kZo4lxmSWhIqo+cSAF7+lfi9ZclQbr9vfnlNaPr8wYF3UYjm5X0yPAhbcgqNOdA=="
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.6.0.tgz",
+      "integrity": "sha512-clFRf2ksqd+F497kWFyM21tMjeikn60oGDmqMT8UBrynEwVEX/5R5xd2sdvdo1cZCFlguORNpVuqxIj+aK4cfQ=="
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     "pg-protocol": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.2.5.tgz",
-      "integrity": "sha512-1uYCckkuTfzz/FCefvavRywkowa6M5FohNMF5OjKrqo9PSR8gYc8poVmwwYQaBxhmQdBjhtP514eXy9/Us2xKg=="
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.6.0.tgz",
+      "integrity": "sha512-M+PDm637OY5WM307051+bsDia5Xej6d9IR4GwJse1qA1DIhiKlksvrneZOYQq42OM+spubpcNYEo2FcKQrDk+Q=="
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@@ -842,11 +848,11 @@
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-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
-      "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.5.tgz",
+      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
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-        "split": "^1.0.0"
+        "split2": "^4.1.0"
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@@ -875,12 +881,12 @@
     "postgres-bytea": {
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-      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+      "integrity": "sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w=="
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     "postgres-date": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.5.tgz",
-      "integrity": "sha512-pdau6GRPERdAYUQwkBnGKxEfPyhVZXG/JiS44iZWiNdSOWE09N2lUgN6yshuq6fVSon4Pm0VMXd1srUUkLe9iA=="
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q=="
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     "postgres-interval": {
       "version": "1.2.0",
@@ -984,11 +990,6 @@
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-    "semver": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
-      "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
-    },
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       "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
@@ -1074,13 +1075,10 @@
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       "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA="
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-    "split": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
-      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
-      "requires": {
-        "through": "2"
-      }
+    "split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg=="
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diff --git a/visualization/package.json b/visualization/package.json
index b8238c4..d5898a0 100644
--- a/visualization/package.json
+++ b/visualization/package.json
@@ -15,7 +15,7 @@
     "google-spreadsheets-key-parser": "^1.1.0",
     "multer": "^1.4.2",
     "papaparse": "^5.2.0",
-    "pg": "^8.2.1",
+    "pg": "^8.11.0",
     "pg-format": "^1.0.4",
     "shpjs": "^3.5.0",
     "squel": "^5.13.0"