diff --git a/classic-guild-bank/package-lock.json b/classic-guild-bank/package-lock.json
index f429f57..ded4dac 100644
--- a/classic-guild-bank/package-lock.json
+++ b/classic-guild-bank/package-lock.json
@@ -93,6 +93,12 @@
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+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.1.4.tgz",
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-      "dev": true,
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-      "integrity": "sha1-Oig3/EjlguGuJZB6/NbPA7DMegc="
+      "version": "3.37.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.37.0.tgz",
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@@ -4428,24 +4424,24 @@
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-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
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+            "code-point-at": "^1.0.0",
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+            "strip-ansi": "^3.0.0"
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@@ -5830,6 +5826,16 @@
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+    "JSONStream": {
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+      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
+      "integrity": "sha1-MgjB8I06TZkmGrZPkjArwV4RHKA=",
+      "dev": true,
+      "requires": {
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+        "through": ">=2.2.7 <3"
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@@ -6710,9 +6716,9 @@
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         "bluebird": "^3.5.1",
         "figgy-pudding": "^3.4.1",
+        "JSONStream": "^1.3.4",
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@@ -9041,6 +9047,15 @@
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+    "string_decoder": {
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+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
+      "dev": true,
+      "requires": {
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@@ -9068,15 +9083,6 @@
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-      "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
-      "dev": true,
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diff --git a/classic-guild-bank/package.json b/classic-guild-bank/package.json
index 3c9c78d..0103d06 100644
--- a/classic-guild-bank/package.json
+++ b/classic-guild-bank/package.json
@@ -25,7 +25,7 @@
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-    "core-js": "^3.1.4",
+    "core-js": "^3.37.0",
     "rxjs": "^6.5.2",
     "zone.js": "^0.9.1"
   },