diff --git a/lib/authors-array.js b/lib/authors-array.js
index bb0d3fa..18a6525 100644
--- a/lib/authors-array.js
+++ b/lib/authors-array.js
@@ -45,7 +45,7 @@ function modifyFile(fileContents, file) {
   }
 
   return `---
-${yaml.safeDump(frontMatter)}---${content}`;
+${yaml.dump(frontMatter)}---${content}`;
 }
 
 module.exports.modifyFile = modifyFile;
diff --git a/lib/automatic-new-tag.js b/lib/automatic-new-tag.js
index 6356d5b..fa491e1 100644
--- a/lib/automatic-new-tag.js
+++ b/lib/automatic-new-tag.js
@@ -49,7 +49,7 @@ module.exports = class AutomaticNewTag extends BroccoliPlugin {
           delete frontMatter.__content;
 
           const fileContent = `---
-${yaml.safeDump(frontMatter)}---${content}`;
+${yaml.dump(frontMatter)}---${content}`;
 
           writeFileSync(join(this.outputPath,file), fileContent);
         })
diff --git a/lib/item-include-posts.js b/lib/item-include-posts.js
index ca4ef52..05470d2 100644
--- a/lib/item-include-posts.js
+++ b/lib/item-include-posts.js
@@ -87,7 +87,7 @@ module.exports = class ItemIncludePosts extends BroccoliPlugin {
       const newFile = join(this.outputPath, `${itemId}.md`);
 
       const fileContent = `---
-${yaml.safeDump(frontMatter)}---${content}`;
+${yaml.dump(frontMatter)}---${content}`;
 
       writeFileSync(newFile, fileContent);
     });
diff --git a/package-lock.json b/package-lock.json
index ccdb3bd..cbd9c2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "ember-meta": "^2.0.0",
         "ember-scroll": "^1.0.2",
         "empress-blueprint-helpers": "^1.2.1",
-        "js-yaml": "^3.13.1",
+        "js-yaml": "^4.1.0",
         "lodash": "^4.17.20",
         "recast": "^0.23.4",
         "require-directory": "^2.1.1",
@@ -3397,12 +3397,6 @@
         "url": "https://opencollective.com/eslint"
       }
     },
-    "node_modules/@eslint/eslintrc/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==",
-      "dev": true
-    },
     "node_modules/@eslint/eslintrc/node_modules/debug": {
       "version": "4.3.4",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
@@ -3451,18 +3445,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/@eslint/eslintrc/node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-      "dev": true,
-      "dependencies": {
-        "argparse": "^2.0.1"
-      },
-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/@eslint/eslintrc/node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -7355,6 +7337,18 @@
         }
       }
     },
+    "node_modules/broccoli-static-site-json/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/broccoli-static-site-json/node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -9576,6 +9570,19 @@
         "node": ">=4"
       }
     },
+    "node_modules/cosmiconfig/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dev": true,
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/create-ecdh": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.4.tgz",
@@ -12843,12 +12850,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/ember-cli/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==",
-      "dev": true
-    },
     "node_modules/ember-cli/node_modules/babel-plugin-module-resolver": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-module-resolver/-/babel-plugin-module-resolver-4.1.0.tgz",
@@ -13676,18 +13677,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/ember-cli/node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-      "dev": true,
-      "dependencies": {
-        "argparse": "^2.0.1"
-      },
-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/ember-cli/node_modules/locate-path": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
@@ -19578,12 +19567,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/eslint/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==",
-      "dev": true
-    },
     "node_modules/eslint/node_modules/chalk": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -19736,18 +19719,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/eslint/node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-      "dev": true,
-      "dependencies": {
-        "argparse": "^2.0.1"
-      },
-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/eslint/node_modules/locate-path": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
@@ -23685,17 +23656,21 @@
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
     },
     "node_modules/js-yaml": {
-      "version": "3.14.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
-      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
+      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
       "dependencies": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "^2.0.1"
       },
       "bin": {
         "js-yaml": "bin/js-yaml.js"
       }
     },
+    "node_modules/js-yaml/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=="
+    },
     "node_modules/jsdom": {
       "version": "19.0.0",
       "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-19.0.0.tgz",
@@ -31051,12 +31026,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/stylelint/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==",
-      "dev": true
-    },
     "node_modules/stylelint/node_modules/array-union": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
@@ -31248,18 +31217,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/stylelint/node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-      "dev": true,
-      "dependencies": {
-        "argparse": "^2.0.1"
-      },
-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/stylelint/node_modules/mdn-data": {
       "version": "2.0.30",
       "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.30.tgz",
@@ -31648,6 +31605,19 @@
         "domelementtype": "1"
       }
     },
+    "node_modules/svgo/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dev": true,
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/symbol-tree": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz",
@@ -31773,6 +31743,19 @@
         "tap-parser": "bin/cmd.js"
       }
     },
+    "node_modules/tap-parser/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dev": true,
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/tap-parser/node_modules/minipass": {
       "version": "2.9.0",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
@@ -32133,6 +32116,19 @@
         "node": ">=8"
       }
     },
+    "node_modules/testem/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dev": true,
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/testem/node_modules/mkdirp": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
@@ -33856,6 +33852,18 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
       "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
     },
+    "node_modules/yaml-front-matter/node_modules/js-yaml": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/yargs": {
       "version": "13.3.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
@@ -36163,12 +36171,6 @@
         "strip-json-comments": "^3.1.1"
       },
       "dependencies": {
-        "argparse": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-          "dev": true
-        },
         "debug": {
           "version": "4.3.4",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
@@ -36197,15 +36199,6 @@
             "resolve-from": "^4.0.0"
           }
         },
-        "js-yaml": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-          "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-          "dev": true,
-          "requires": {
-            "argparse": "^2.0.1"
-          }
-        },
         "minimatch": {
           "version": "3.1.2",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -39536,6 +39529,15 @@
             "ms": "2.1.2"
           }
         },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -41333,6 +41335,18 @@
         "is-directory": "^0.3.1",
         "js-yaml": "^3.13.1",
         "parse-json": "^4.0.0"
+      },
+      "dependencies": {
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        }
       }
     },
     "create-ecdh": {
@@ -42773,12 +42787,6 @@
             "color-convert": "^2.0.1"
           }
         },
-        "argparse": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-          "dev": true
-        },
         "babel-plugin-module-resolver": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/babel-plugin-module-resolver/-/babel-plugin-module-resolver-4.1.0.tgz",
@@ -43416,15 +43424,6 @@
           "integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==",
           "dev": true
         },
-        "js-yaml": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-          "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-          "dev": true,
-          "requires": {
-            "argparse": "^2.0.1"
-          }
-        },
         "locate-path": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
@@ -48883,12 +48882,6 @@
             "color-convert": "^2.0.1"
           }
         },
-        "argparse": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-          "dev": true
-        },
         "chalk": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
@@ -48985,15 +48978,6 @@
           "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
           "dev": true
         },
-        "js-yaml": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-          "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-          "dev": true,
-          "requires": {
-            "argparse": "^2.0.1"
-          }
-        },
         "locate-path": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
@@ -52265,12 +52249,18 @@
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
     },
     "js-yaml": {
-      "version": "3.14.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
-      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
+      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
       "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "^2.0.1"
+      },
+      "dependencies": {
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+        }
       }
     },
     "jsdom": {
@@ -58178,12 +58168,6 @@
           "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
           "dev": true
         },
-        "argparse": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-          "dev": true
-        },
         "array-union": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
@@ -58321,15 +58305,6 @@
           "integrity": "sha512-VRSzKkbMm5jMDoKLbltAkFQ5Qr7VDiTFGXxYFXXowVj387GeGNOCsOH6Msy00SGZ3Fp84b1Naa1psqgcCIEP5Q==",
           "dev": true
         },
-        "js-yaml": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-          "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-          "dev": true,
-          "requires": {
-            "argparse": "^2.0.1"
-          }
-        },
         "mdn-data": {
           "version": "2.0.30",
           "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.30.tgz",
@@ -58635,6 +58610,16 @@
             "dom-serializer": "0",
             "domelementtype": "1"
           }
+        },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
         }
       }
     },
@@ -58743,6 +58728,16 @@
         "minipass": "^2.2.0"
       },
       "dependencies": {
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "minipass": {
           "version": "2.9.0",
           "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
@@ -59021,6 +59016,16 @@
           "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
           "dev": true
         },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "mkdirp": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
@@ -60394,6 +60399,15 @@
           "version": "2.20.3",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
           "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
+        },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
         }
       }
     },
diff --git a/package.json b/package.json
index a1640ed..6a0175f 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "ember-meta": "^2.0.0",
     "ember-scroll": "^1.0.2",
     "empress-blueprint-helpers": "^1.2.1",
-    "js-yaml": "^3.13.1",
+    "js-yaml": "^4.1.0",
     "lodash": "^4.17.20",
     "recast": "^0.23.4",
     "require-directory": "^2.1.1",