diff --git a/package-lock.json b/package-lock.json
index 0b20c7d..62db059 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,24 +1,24 @@
 {
   "name": "bookbinder",
-  "version": "1.3.4",
+  "version": "1.3.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "bookbinder",
-      "version": "1.3.4",
+      "version": "1.3.6",
       "license": "MPL",
       "dependencies": {
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         "file-saver": "^2.0.5",
         "jszip": "^3.7.1",
-        "pdf-lib": "^1.16.0",
-        "vite-plugin-package-version": "^1.1.0",
         "zod": "^3.22.4"
       },
       "devDependencies": {
         "eslint": "^8.56.0",
         "prettier": "^3.2.5",
         "vite": "^5.0.10",
+        "vite-plugin-package-version": "^1.1.0",
         "vitest": "^1.0.4"
       }
     },
@@ -31,6 +31,18 @@
         "node": ">=0.10.0"
       }
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+    "node_modules/@cantoo/pdf-lib": {
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/@cantoo/pdf-lib/-/pdf-lib-1.21.0.tgz",
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+        "@pdf-lib/upng": "^1.0.1",
+        "color": "^4.2.3",
+        "node-html-better-parser": "^1.4.0",
+        "pako": "^1.0.11"
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       "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.19.9.tgz",
@@ -38,6 +50,7 @@
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@@ -53,6 +66,7 @@
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+      "dev": true,
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@@ -68,6 +82,7 @@
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@@ -83,6 +98,7 @@
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@@ -98,6 +114,7 @@
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@@ -113,6 +130,7 @@
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@@ -128,6 +146,7 @@
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@@ -143,6 +162,7 @@
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@@ -158,6 +178,7 @@
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@@ -173,6 +194,7 @@
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@@ -188,6 +210,7 @@
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@@ -203,6 +226,7 @@
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@@ -218,6 +242,7 @@
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@@ -248,6 +274,7 @@
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@@ -278,6 +306,7 @@
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@@ -293,6 +322,7 @@
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@@ -308,6 +338,7 @@
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@@ -323,6 +354,7 @@
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@@ -338,6 +370,7 @@
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@@ -353,6 +386,7 @@
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+      "dev": true,
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+      "dev": true,
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@@ -519,6 +558,7 @@
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+      "dev": true,
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@@ -584,6 +624,7 @@
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+      "dev": true,
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@@ -596,6 +637,7 @@
       "cpu": [
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+      "dev": true,
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@@ -608,6 +650,7 @@
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@@ -620,6 +663,7 @@
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@@ -632,6 +676,7 @@
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@@ -644,6 +689,7 @@
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@@ -656,6 +702,7 @@
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@@ -668,6 +715,7 @@
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@@ -680,6 +728,7 @@
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@@ -692,6 +741,7 @@
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@@ -704,6 +754,7 @@
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@@ -716,6 +767,7 @@
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@@ -728,6 +780,7 @@
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-      "devOptional": true,
+      "dev": true,
       "bin": {
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@@ -1078,6 +1132,7 @@
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+      "dev": true,
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@@ -1145,11 +1200,22 @@
         "node": "*"
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+    "node_modules/color": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/color/-/color-4.2.3.tgz",
+      "integrity": "sha512-1rXeuUUiGGrykh+CeBdu5Ie7OJwinCgQY0bc7GCRxy5xVHy+moaqkpL/jqQq0MtQOeYcrqEz4abc5f0KtU7W4A==",
+      "dependencies": {
+        "color-convert": "^2.0.1",
+        "color-string": "^1.9.0"
+      },
+      "engines": {
+        "node": ">=12.5.0"
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-      "dev": true
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+    },
+    "node_modules/color-string": {
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+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.1.tgz",
+      "integrity": "sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==",
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+        "simple-swizzle": "^0.2.2"
+      }
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@@ -1181,6 +1255,7 @@
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@@ -1350,6 +1425,7 @@
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@@ -1732,6 +1808,7 @@
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+      "dev": true,
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@@ -1826,6 +1903,21 @@
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+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/html-entities/-/html-entities-2.5.2.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/mdevils"
+        },
+        {
+          "type": "patreon",
+          "url": "https://patreon.com/mdevils"
+        }
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+    "node_modules/is-arrayish": {
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+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
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@@ -2238,6 +2335,7 @@
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+      "dev": true,
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@@ -2257,6 +2355,14 @@
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+      "resolved": "https://registry.npmjs.org/node-html-better-parser/-/node-html-better-parser-1.4.3.tgz",
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@@ -2417,21 +2523,11 @@
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+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.35.tgz",
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+      "dev": true,
       "funding": [
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@@ -2519,6 +2616,14 @@
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+    "node_modules/querystringify": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
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@@ -2553,6 +2658,14 @@
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+    "node_modules/requires-port": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
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+      "dev": true,
+      "optional": true,
+      "peer": true
+    },
     "node_modules/resolve-from": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -2591,6 +2704,7 @@
       "version": "4.9.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.9.1.tgz",
       "integrity": "sha512-pgPO9DWzLoW/vIhlSoDByCzcpX92bKEorbgXuZrqxByte3JFk2xSW2JEeAcyLc9Ru9pqcNNW+Ob7ntsk2oT/Xw==",
+      "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -2697,10 +2811,19 @@
       "integrity": "sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==",
       "dev": true
     },
+    "node_modules/simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==",
+      "dependencies": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true,
       "optional": true,
       "peer": true,
       "engines": {
@@ -2711,6 +2834,7 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
       "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2719,6 +2843,7 @@
       "version": "0.5.21",
       "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
       "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
+      "dev": true,
       "optional": true,
       "peer": true,
       "dependencies": {
@@ -2806,6 +2931,7 @@
       "version": "5.17.6",
       "resolved": "https://registry.npmjs.org/terser/-/terser-5.17.6.tgz",
       "integrity": "sha512-V8QHcs8YuyLkLHsJO5ucyff1ykrLVsR4dNnS//L5Y3NiSXpbK1J+WMVUs67eI0KTxs9JtHhgEQpXQVHlHI92DQ==",
+      "dev": true,
       "optional": true,
       "peer": true,
       "dependencies": {
@@ -2852,16 +2978,17 @@
       }
     },
     "node_modules/tough-cookie": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.0.0.tgz",
-      "integrity": "sha512-tHdtEpQCMrc1YLrMaqXXcj6AxhYi/xgit6mZu1+EDWUn+qhUf8wMQoFIy9NXuq23zAwtcB0t/MjACGR18pcRbg==",
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.1.3.tgz",
+      "integrity": "sha512-aX/y5pVRkfRnfmuX+OdbSdXvPe6ieKX/G2s7e98f4poJHnqH3281gDPm/metm6E/WRamfx7WC4HUqkWHfQHprw==",
       "dev": true,
       "optional": true,
       "peer": true,
       "dependencies": {
         "psl": "^1.1.33",
         "punycode": "^2.1.1",
-        "universalify": "^0.1.2"
+        "universalify": "^0.2.0",
+        "url-parse": "^1.5.3"
       },
       "engines": {
         "node": ">=6"
@@ -2881,11 +3008,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/tslib": {
-      "version": "1.14.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
-      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
-    },
     "node_modules/type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
@@ -2931,13 +3053,14 @@
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
       "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true,
       "optional": true,
       "peer": true
     },
     "node_modules/universalify": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
-      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.2.0.tgz",
+      "integrity": "sha512-CJ1QgKmNg3CwvAv/kOFmtnEN05f0D/cn9QntgNOQlQF9dgvVTHj3t+8JPdjqawCHk7V/KA+fbUqzZ9XWhcqPUg==",
       "dev": true,
       "optional": true,
       "peer": true,
@@ -2954,18 +3077,31 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/url-parse": {
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "querystringify": "^2.1.1",
+        "requires-port": "^1.0.0"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "node_modules/vite": {
-      "version": "5.0.10",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-5.0.10.tgz",
-      "integrity": "sha512-2P8J7WWgmc355HUMlFrwofacvr98DAjoE52BfdbwQtyLH06XKwaL/FMnmKM2crF0iX4MpmMKoDlNCB1ok7zHCw==",
+      "version": "5.1.5",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-5.1.5.tgz",
+      "integrity": "sha512-BdN1xh0Of/oQafhU+FvopafUp6WaYenLU/NFoL5WyJL++GxkNfieKzBhM24H3HVsPQrlAqB7iJYTHabzaRed5Q==",
+      "dev": true,
       "dependencies": {
         "esbuild": "^0.19.3",
-        "postcss": "^8.4.32",
+        "postcss": "^8.4.35",
         "rollup": "^4.2.0"
       },
       "bin": {
@@ -3039,6 +3175,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/vite-plugin-package-version/-/vite-plugin-package-version-1.1.0.tgz",
       "integrity": "sha512-TPoFZXNanzcaKCIrC3e2L/TVRkkRLB6l4RPN/S7KbG7rWfyLcCEGsnXvxn6qR7fyZwXalnnSN/I9d6pSFjHpEA==",
+      "dev": true,
       "peerDependencies": {
         "vite": ">=2.0.0-beta.69"
       }
@@ -3356,9 +3493,9 @@
       }
     },
     "node_modules/word-wrap": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
-      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
       "dev": true,
       "optional": true,
       "peer": true,
diff --git a/package.json b/package.json
index 3876cf8..3926d0f 100644
--- a/package.json
+++ b/package.json
@@ -23,9 +23,9 @@
     "vitest": "^1.0.4"
   },
   "dependencies": {
+    "@cantoo/pdf-lib": "^1.21.0",
     "file-saver": "^2.0.5",
     "jszip": "^3.7.1",
-    "pdf-lib": "^1.16.0",
     "zod": "^3.22.4"
   }
 }
diff --git a/src/book.js b/src/book.js
index 55648e8..9d2b79c 100644
--- a/src/book.js
+++ b/src/book.js
@@ -2,7 +2,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
-import { PDFDocument, PDFEmbeddedPage, degrees } from 'pdf-lib';
+import { PDFDocument, PDFEmbeddedPage, degrees } from '@cantoo/pdf-lib';
 import { saveAs } from 'file-saver';
 import { Signatures } from './signatures.js';
 import { WackyImposition } from './wacky_imposition.js';
diff --git a/src/utils/drawing.js b/src/utils/drawing.js
index 59af030..9b366c8 100644
--- a/src/utils/drawing.js
+++ b/src/utils/drawing.js
@@ -1,5 +1,5 @@
 import { LINE_LEN } from '../constants';
-import { rgb } from 'pdf-lib';
+import { rgb } from '@cantoo/pdf-lib';
 
 /**
  * @typedef Point
diff --git a/src/utils/pdf.js b/src/utils/pdf.js
index f4c2eba..bdded94 100644
--- a/src/utils/pdf.js
+++ b/src/utils/pdf.js
@@ -1,4 +1,4 @@
-import { PDFDocument } from 'pdf-lib';
+import { PDFDocument } from '@cantoo/pdf-lib';
 
 /**
  * joins two pdfs together, alternating pages such that if