diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 5b3b79f..26c2936 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -11,7 +11,7 @@
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         "handlebars": "^4.7.7",
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-      "dependencies": {
-        "sprintf-js": "~1.0.2"
-      }
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@@ -807,18 +780,6 @@
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-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
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+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
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-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "^2.0.1"
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@@ -1410,10 +1370,25 @@
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+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
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+      "dependencies": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
+    "node_modules/markdown-it-github-preamble/node_modules/js-yaml": {
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+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.2.tgz",
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+      "dependencies": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
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     "node_modules/markdown-it/node_modules/entities": {
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@@ -1962,7 +1937,7 @@
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-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
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@@ -2329,23 +2304,6 @@
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         "minimatch": "^3.1.2",
         "strip-json-comments": "^3.1.1"
-      },
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-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-          "dev": true
-        },
-        "js-yaml": {
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-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-          "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
-          "dev": true,
-          "requires": {
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-          }
-        }
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     "@humanwhocodes/config-array": {
@@ -2466,12 +2424,9 @@
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-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "requires": {
-        "sprintf-js": "~1.0.2"
-      }
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
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@@ -2776,26 +2731,11 @@
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-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
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-        },
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           "dev": true
-        },
-        "js-yaml": {
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-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
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-          "dev": true,
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-          }
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@@ -3187,12 +3127,11 @@
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     },
     "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": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
       "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "^2.0.1"
       }
     },
     "json-parse-even-better-errors": {
@@ -3262,11 +3201,6 @@
         "uc.micro": "^1.0.5"
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-          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
-        },
         "entities": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/entities/-/entities-3.0.1.tgz",
@@ -3280,6 +3214,25 @@
       "integrity": "sha1-C8JbaKsrUyeFTOMUneKZDeaGrYY=",
       "requires": {
         "js-yaml": "^3.9.0"
+      },
+      "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"
+          }
+        },
+        "js-yaml": {
+          "version": "3.14.2",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.2.tgz",
+          "integrity": "sha512-PMSmkqxr106Xa156c2M265Z+FTrPl+oxd/rgOQy2tijQeK5TxQ43psO1ZCwhVOSdnn+RzkzlRz/eY4BgJBYVpg==",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        }
       }
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     "mdurl": {
@@ -3645,7 +3598,7 @@
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       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
+      "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g=="
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diff --git a/package.json b/package.json
index 8c24cb1..16960be 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
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     "handlebars": "^4.7.7",
-    "js-yaml": "^3.13.1",
+    "js-yaml": "^4.1.1",
     "markdown-it": "^13.0.1",
     "markdown-it-github-preamble": "^1.0.0",
     "minimist": "^1.2.7",