diff --git a/.travis.yml b/.travis.yml
index 690909a..a1ba3f3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - "8"
   - "10"
   - "12"
+  - "14"
 notifications:
   email: false
 sudo: false
diff --git a/lib/pdf.js b/lib/pdf.js
index 8b92048..f44c7c1 100644
--- a/lib/pdf.js
+++ b/lib/pdf.js
@@ -242,8 +242,11 @@ class PDF {
             },
             set width(v) {
                 if (state.width === v) return;
-                if (v === undefined) return state.left = state.right = 0;
-                state.right = state.pageWidth - state.left - v;
+                if (v === undefined) {
+                    state.left = state.right = 0;
+                } else {
+                    state.right = state.pageWidth - state.left - v;
+                }
             },
         };
         return state;
diff --git a/package-lock.json b/package-lock.json
index dbb6297..48c437d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,32 +5,33 @@
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
-      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
+      "integrity": "sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==",
       "dev": true,
       "requires": {
-        "@babel/highlight": "^7.8.3"
+        "@babel/highlight": "^7.10.4"
       }
     },
     "@babel/core": {
-      "version": "7.8.4",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.8.4.tgz",
-      "integrity": "sha512-0LiLrB2PwrVI+a2/IEskBopDYSd8BCb3rOvH7D5tzoWd696TBEduBvuLVm4Nx6rltrLZqvI3MCalB2K2aVzQjA==",
-      "dev": true,
-      "requires": {
-        "@babel/code-frame": "^7.8.3",
-        "@babel/generator": "^7.8.4",
-        "@babel/helpers": "^7.8.4",
-        "@babel/parser": "^7.8.4",
-        "@babel/template": "^7.8.3",
-        "@babel/traverse": "^7.8.4",
-        "@babel/types": "^7.8.3",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.11.1.tgz",
+      "integrity": "sha512-XqF7F6FWQdKGGWAzGELL+aCO1p+lRY5Tj5/tbT3St1G8NaH70jhhDIKknIZaDans0OQBG5wRAldROLHSt44BgQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "@babel/generator": "^7.11.0",
+        "@babel/helper-module-transforms": "^7.11.0",
+        "@babel/helpers": "^7.10.4",
+        "@babel/parser": "^7.11.1",
+        "@babel/template": "^7.10.4",
+        "@babel/traverse": "^7.11.0",
+        "@babel/types": "^7.11.0",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
         "gensync": "^1.0.0-beta.1",
-        "json5": "^2.1.0",
-        "lodash": "^4.17.13",
+        "json5": "^2.1.2",
+        "lodash": "^4.17.19",
         "resolve": "^1.3.2",
         "semver": "^5.4.1",
         "source-map": "^0.5.0"
@@ -45,14 +46,13 @@
       }
     },
     "@babel/generator": {
-      "version": "7.8.4",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.8.4.tgz",
-      "integrity": "sha512-PwhclGdRpNAf3IxZb0YVuITPZmmrXz9zf6fH8lT4XbrmfQKr6ryBzhv593P5C6poJRciFCL/eHGW2NuGrgEyxA==",
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.11.0.tgz",
+      "integrity": "sha512-fEm3Uzw7Mc9Xi//qU20cBKatTfs2aOtKqmvy/Vm7RkJEGFQ4xc9myCfbXxqK//ZS8MR/ciOHw6meGASJuKmDfQ==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.8.3",
+        "@babel/types": "^7.11.0",
         "jsesc": "^2.5.1",
-        "lodash": "^4.17.13",
         "source-map": "^0.5.0"
       },
       "dependencies": {
@@ -65,88 +65,171 @@
       }
     },
     "@babel/helper-function-name": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz",
-      "integrity": "sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.10.4.tgz",
+      "integrity": "sha512-YdaSyz1n8gY44EmN7x44zBn9zQ1Ry2Y+3GTA+3vH6Mizke1Vw0aWDM66FOYEPw8//qKkmqOckrGgTYa+6sceqQ==",
       "dev": true,
       "requires": {
-        "@babel/helper-get-function-arity": "^7.8.3",
-        "@babel/template": "^7.8.3",
-        "@babel/types": "^7.8.3"
+        "@babel/helper-get-function-arity": "^7.10.4",
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.10.4"
       }
     },
     "@babel/helper-get-function-arity": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz",
-      "integrity": "sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.10.4.tgz",
+      "integrity": "sha512-EkN3YDB+SRDgiIUnNgcmiD361ti+AVbL3f3Henf6dqqUyr5dMsorno0lJWJuLhDhkI5sYEpgj6y9kB8AOU1I2A==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.8.3"
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-member-expression-to-functions": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.11.0.tgz",
+      "integrity": "sha512-JbFlKHFntRV5qKw3YC0CvQnDZ4XMwgzzBbld7Ly4Mj4cbFy3KywcR8NtNctRToMWJOVvLINJv525Gd6wwVEx/Q==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.11.0"
+      }
+    },
+    "@babel/helper-module-imports": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.10.4.tgz",
+      "integrity": "sha512-nEQJHqYavI217oD9+s5MUBzk6x1IlvoS9WTPfgG43CbMEeStE0v+r+TucWdx8KFGowPGvyOkDT9+7DHedIDnVw==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-module-transforms": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.11.0.tgz",
+      "integrity": "sha512-02EVu8COMuTRO1TAzdMtpBPbe6aQ1w/8fePD2YgQmxZU4gpNWaL9gK3Jp7dxlkUlUCJOTaSeA+Hrm1BRQwqIhg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-module-imports": "^7.10.4",
+        "@babel/helper-replace-supers": "^7.10.4",
+        "@babel/helper-simple-access": "^7.10.4",
+        "@babel/helper-split-export-declaration": "^7.11.0",
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.11.0",
+        "lodash": "^4.17.19"
+      }
+    },
+    "@babel/helper-optimise-call-expression": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.10.4.tgz",
+      "integrity": "sha512-n3UGKY4VXwXThEiKrgRAoVPBMqeoPgHVqiHZOanAJCG9nQUL2pLRQirUzl0ioKclHGpGqRgIOkgcIJaIWLpygg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-replace-supers": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.10.4.tgz",
+      "integrity": "sha512-sPxZfFXocEymYTdVK1UNmFPBN+Hv5mJkLPsYWwGBxZAxaWfFu+xqp7b6qWD0yjNuNL2VKc6L5M18tOXUP7NU0A==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-member-expression-to-functions": "^7.10.4",
+        "@babel/helper-optimise-call-expression": "^7.10.4",
+        "@babel/traverse": "^7.10.4",
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-simple-access": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-simple-access/-/helper-simple-access-7.10.4.tgz",
+      "integrity": "sha512-0fMy72ej/VEvF8ULmX6yb5MtHG4uH4Dbd6I/aHDb/JVg0bbivwt9Wg+h3uMvX+QSFtwr5MeItvazbrc4jtRAXw==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.10.4"
       }
     },
     "@babel/helper-split-export-declaration": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz",
-      "integrity": "sha512-3x3yOeyBhW851hroze7ElzdkeRXQYQbFIb7gLK1WQYsw2GWDay5gAJNw1sWJ0VFP6z5J1whqeXH/WCdCjZv6dA==",
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.11.0.tgz",
+      "integrity": "sha512-74Vejvp6mHkGE+m+k5vHY93FX2cAtrw1zXrZXRlG4l410Nm9PxfEiVTn1PjDPV5SnmieiueY4AFg2xqhNFuuZg==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.8.3"
+        "@babel/types": "^7.11.0"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
+      "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==",
+      "dev": true
+    },
     "@babel/helpers": {
-      "version": "7.8.4",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.8.4.tgz",
-      "integrity": "sha512-VPbe7wcQ4chu4TDQjimHv/5tj73qz88o12EPkO2ValS2QiQS/1F2SsjyIGNnAD0vF/nZS6Cf9i+vW6HIlnaR8w==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.10.4.tgz",
+      "integrity": "sha512-L2gX/XeUONeEbI78dXSrJzGdz4GQ+ZTA/aazfUsFaWjSe95kiCuOZ5HsXvkiw3iwF+mFHSRUfJU8t6YavocdXA==",
       "dev": true,
       "requires": {
-        "@babel/template": "^7.8.3",
-        "@babel/traverse": "^7.8.4",
-        "@babel/types": "^7.8.3"
+        "@babel/template": "^7.10.4",
+        "@babel/traverse": "^7.10.4",
+        "@babel/types": "^7.10.4"
       }
     },
     "@babel/highlight": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
-      "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
+      "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
       "dev": true,
       "requires": {
+        "@babel/helper-validator-identifier": "^7.10.4",
         "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
         "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        }
       }
     },
     "@babel/parser": {
-      "version": "7.8.4",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.8.4.tgz",
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+      "version": "7.11.3",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.11.3.tgz",
+      "integrity": "sha512-REo8xv7+sDxkKvoxEywIdsNFiZLybwdI7hcT5uEPyQrSMB4YQ973BfC9OOrD/81MaIjh6UxdulIQXkjmiH3PcA==",
       "dev": true
     },
     "@babel/template": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.3.tgz",
-      "integrity": "sha512-04m87AcQgAFdvuoyiQ2kgELr2tV8B4fP/xJAVUL3Yb3bkNdMedD3d0rlSQr3PegP0cms3eHjl1F7PWlvWbU8FQ==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.10.4.tgz",
+      "integrity": "sha512-ZCjD27cGJFUB6nmCB1Enki3r+L5kJveX9pq1SvAUKoICy6CZ9yD8xO086YXdYhvNjBdnekm4ZnaP5yC8Cs/1tA==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "^7.8.3",
-        "@babel/parser": "^7.8.3",
-        "@babel/types": "^7.8.3"
+        "@babel/code-frame": "^7.10.4",
+        "@babel/parser": "^7.10.4",
+        "@babel/types": "^7.10.4"
       }
     },
     "@babel/traverse": {
-      "version": "7.8.4",
-      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.8.4.tgz",
-      "integrity": "sha512-NGLJPZwnVEyBPLI+bl9y9aSnxMhsKz42so7ApAv9D+b4vAFPpY013FTS9LdKxcABoIYFU52HcYga1pPlx454mg==",
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.11.0.tgz",
+      "integrity": "sha512-ZB2V+LskoWKNpMq6E5UUCrjtDUh5IOTAyIl0dTjIEoXum/iKWkoIEKIRDnUucO6f+2FzNkE0oD4RLKoPIufDtg==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "^7.8.3",
-        "@babel/generator": "^7.8.4",
-        "@babel/helper-function-name": "^7.8.3",
-        "@babel/helper-split-export-declaration": "^7.8.3",
-        "@babel/parser": "^7.8.4",
-        "@babel/types": "^7.8.3",
+        "@babel/code-frame": "^7.10.4",
+        "@babel/generator": "^7.11.0",
+        "@babel/helper-function-name": "^7.10.4",
+        "@babel/helper-split-export-declaration": "^7.11.0",
+        "@babel/parser": "^7.11.0",
+        "@babel/types": "^7.11.0",
         "debug": "^4.1.0",
         "globals": "^11.1.0",
-        "lodash": "^4.17.13"
+        "lodash": "^4.17.19"
       },
       "dependencies": {
         "globals": {
@@ -158,72 +241,47 @@
       }
     },
     "@babel/types": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.8.3.tgz",
-      "integrity": "sha512-jBD+G8+LWpMBBWvVcdr4QysjUE4mU/syrhN17o1u3gx0/WzJB1kwiVZAXRtWbsIPOwW8pF/YJV5+nmetPzepXg==",
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.11.0.tgz",
+      "integrity": "sha512-O53yME4ZZI0jO1EVGtF1ePGl0LHirG4P1ibcD80XyzZcKhcMFeCXmh4Xb1ifGBIV233Qg12x4rBfQgA+tmOukA==",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2",
-        "lodash": "^4.17.13",
+        "@babel/helper-validator-identifier": "^7.10.4",
+        "lodash": "^4.17.19",
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@eslint/eslintrc": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.1.3.tgz",
+      "integrity": "sha512-4YVwPkANLeNtRjMekzux1ci8hIaH5eGKktGqR0d3LWsKNn5B2X/1Z6Trxy7jQXl9EBGE6Yj02O+t09FMeRllaA==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.12.4",
+        "debug": "^4.1.1",
+        "espree": "^7.3.0",
+        "globals": "^12.1.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.2.1",
+        "js-yaml": "^3.13.1",
+        "lodash": "^4.17.19",
+        "minimatch": "^3.0.4",
+        "strip-json-comments": "^3.1.1"
+      }
+    },
     "@istanbuljs/load-nyc-config": {
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       "dev": true,
       "requires": {
         "camelcase": "^5.3.1",
         "find-up": "^4.1.0",
+        "get-package-type": "^0.1.0",
         "js-yaml": "^3.13.1",
         "resolve-from": "^5.0.0"
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-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
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+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
+            "path-exists": "^3.0.0"
+          }
         },
-        "string-width": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
-          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
           "dev": true,
           "requires": {
-            "emoji-regex": "^7.0.1",
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^5.1.0"
+            "p-limit": "^2.0.0"
           }
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
         }
       }
     },
@@ -4133,14 +4409,81 @@
       }
     },
     "yargs-unparser": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
-      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.1.tgz",
+      "integrity": "sha512-qZV14lK9MWsGCmcr7u5oXGH0dbGqZAIxTDrWXZDo5zUr6b6iUmelNKO6x6R1dQT24AH3LgRxJpr8meWy2unolA==",
       "dev": true,
       "requires": {
+        "camelcase": "^5.3.1",
+        "decamelize": "^1.2.0",
         "flat": "^4.1.0",
-        "lodash": "^4.17.15",
-        "yargs": "^13.3.0"
+        "is-plain-obj": "^1.1.0",
+        "yargs": "^14.2.3"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+          "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^2.0.0"
+          }
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        },
+        "yargs": {
+          "version": "14.2.3",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-14.2.3.tgz",
+          "integrity": "sha512-ZbotRWhF+lkjijC/VhmOT9wSgyBQ7+zr13+YLkhfsSiTriYsMzkTUFP18pFhWwBeMa5gUc1MzbhrO6/VB7c9Xg==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "decamelize": "^1.2.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^15.0.1"
+          }
+        },
+        "yargs-parser": {
+          "version": "15.0.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.1.tgz",
+          "integrity": "sha512-0OAMV2mAZQrs3FkNpDQcBk1x5HXb8X4twADss4S0Iuk+2dGnLOE/fRHrsYm542GduMveyA77OF4wrNJuanRCWw==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
+          }
+        }
       }
     }
   }
diff --git a/package.json b/package.json
index db6715e..51b3dcd 100644
--- a/package.json
+++ b/package.json
@@ -29,16 +29,16 @@
     "deep-clone-merge": "^1.5.1",
     "hogan.js": "^3.0.2",
     "pdfkit": "^0.11.0",
-    "underscore": "^1.9.2",
+    "underscore": "^1.11.0",
     "xml2js": "^0.4.23"
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "eslint": "^6.8.0",
-    "mocha": "^7.1.1",
+    "eslint": "^7.8.1",
+    "mocha": "^8.1.3",
     "npm-run-all": "^4.0.2",
-    "nyc": "^15.0.0",
-    "sinon": "^9.0.1",
+    "nyc": "^15.1.0",
+    "sinon": "^9.0.3",
     "sinon-chai": "^3.5.0"
   },
   "nyc": {
@@ -51,6 +51,6 @@
     "statements": 92,
     "branches": 84,
     "functions": 98,
-    "lines": 95
+    "lines": 94
   }
 }
diff --git a/test/unit/fixtures/example.pdf b/test/unit/fixtures/example-node10.pdf
similarity index 99%
rename from test/unit/fixtures/example.pdf
rename to test/unit/fixtures/example-node10.pdf
index 703c77d..942e512 100644
Binary files a/test/unit/fixtures/example.pdf and b/test/unit/fixtures/example-node10.pdf differ
diff --git a/test/unit/fixtures/example-node12.pdf b/test/unit/fixtures/example-node12.pdf
new file mode 100644
index 0000000..4aa60c9
Binary files /dev/null and b/test/unit/fixtures/example-node12.pdf differ
diff --git a/test/unit/fixtures/example-node14.pdf b/test/unit/fixtures/example-node14.pdf
new file mode 100644
index 0000000..3ba50dc
Binary files /dev/null and b/test/unit/fixtures/example-node14.pdf differ
diff --git a/test/unit/lib/spec.generate.js b/test/unit/lib/spec.generate.js
index a9a431c..f4db8d8 100644
--- a/test/unit/lib/spec.generate.js
+++ b/test/unit/lib/spec.generate.js
@@ -170,7 +170,8 @@ describe('generate', () => {
 
     it('example pdf render', done => {
         let sourcefilename = path.resolve(__dirname, '..', 'fixtures', 'example.xml');
-        let examplepdf = path.resolve(__dirname, '..', 'fixtures', 'example.pdf');
+        let nodeVersion = process.versions.node.split('.')[0];
+        let examplepdf = path.resolve(__dirname, '..', 'fixtures', 'example-node' + nodeVersion + '.pdf');
         let xml = fs.readFileSync(sourcefilename);
         generate.toBuffer(xml, path.dirname(sourcefilename), (err, buffer) => {
             expect(err).to.be.null;