diff --git a/package-lock.json b/package-lock.json
index 8897a2a..22104b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,47 +1,51 @@
 {
   "name": "concourse-vis",
   "version": "1.5.2",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "argparse": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "requires": {
-        "sprintf-js": "~1.0.2"
+  "packages": {
+    "": {
+      "version": "1.5.2",
+      "license": "MIT",
+      "dependencies": {
+        "d3": "3.5.5",
+        "jquery": "^3.5.0",
+        "js-yaml": "^4.1.1",
+        "underscore": "^1.12.1"
+      },
+      "engines": {
+        "atom": ">=1.0.0 <2.0.0"
       }
     },
-    "d3": {
+    "node_modules/argparse": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+      "license": "Python-2.0"
+    },
+    "node_modules/d3": {
       "version": "3.5.5",
       "resolved": "https://registry.npmjs.org/d3/-/d3-3.5.5.tgz",
       "integrity": "sha1-vhq6aoT7ZlMoOz6+u39XDjvaGH4="
     },
-    "esprima": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
-    },
-    "jquery": {
+    "node_modules/jquery": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.5.0.tgz",
       "integrity": "sha512-Xb7SVYMvygPxbFMpTFQiHh1J7HClEaThguL15N/Gg37Lri/qKyhRGZYzHRyLH8Stq3Aow0LsHO2O2ci86fCrNQ=="
     },
-    "js-yaml": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
-      "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
-      "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+    "node_modules/js-yaml": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
       }
     },
-    "sprintf-js": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
-    },
-    "underscore": {
+    "node_modules/underscore": {
       "version": "1.12.1",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.12.1.tgz",
       "integrity": "sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw=="
diff --git a/package.json b/package.json
index a551bf7..691cc04 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "d3": "3.5.5",
     "jquery": "^3.5.0",
-    "js-yaml": "^3.12.0",
+    "js-yaml": "^4.1.1",
     "underscore": "^1.12.1"
   }
 }