diff --git a/package-lock.json b/package-lock.json
index 4f433e6..4ed29be 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "@types/serve-handler": "6.1.3",
         "ava": "3.15.0",
         "nyc": "15.1.0",
-        "pdfjs-dist": "3.6.172",
+        "pdfjs-dist": "4.0.269",
         "prettier": "2.8.8",
         "prettier-plugin-organize-imports": "3.2.3",
         "tap-xunit": "2.4.1",
@@ -8818,24 +8818,22 @@
       "resolved": "https://registry.npmjs.org/path2d-polyfill/-/path2d-polyfill-2.0.1.tgz",
       "integrity": "sha512-ad/3bsalbbWhmBo0D6FZ4RNMwsLsPpL6gnvhuSaU5Vm7b06Kr5ubSltQQ0T7YKsiJQO+g22zJ4dJKNTXIyOXtA==",
       "dev": true,
+      "optional": true,
       "engines": {
         "node": ">=8"
       }
     },
     "node_modules/pdfjs-dist": {
-      "version": "3.6.172",
-      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-3.6.172.tgz",
-      "integrity": "sha512-bfOhCg+S9DXh/ImWhWYTOiq3aVMFSCvzGiBzsIJtdMC71kVWDBw7UXr32xh0y56qc5wMVylIeqV3hBaRsu+e+w==",
+      "version": "4.0.269",
+      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-4.0.269.tgz",
+      "integrity": "sha512-jjWO56tcOjnmPqDf8PmXDeZ781AGvpHMYI3HhNtaFKTRXXPaD1ArSrhVe38/XsrIQJ0onISCND/vuXaWJkiDWw==",
       "dev": true,
-      "dependencies": {
-        "path2d-polyfill": "^2.0.1",
-        "web-streams-polyfill": "^3.2.1"
-      },
       "engines": {
-        "node": ">=16"
+        "node": ">=18"
       },
       "optionalDependencies": {
-        "canvas": "^2.11.2"
+        "canvas": "^2.11.2",
+        "path2d-polyfill": "^2.0.1"
       }
     },
     "node_modules/pend": {
@@ -11670,15 +11668,6 @@
         "defaults": "^1.0.3"
       }
     },
-    "node_modules/web-streams-polyfill": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz",
-      "integrity": "sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q==",
-      "dev": true,
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
diff --git a/package.json b/package.json
index 7d01644..328fe65 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "@types/serve-handler": "6.1.3",
     "ava": "3.15.0",
     "nyc": "15.1.0",
-    "pdfjs-dist": "3.6.172",
+    "pdfjs-dist": "4.0.269",
     "prettier": "2.8.8",
     "prettier-plugin-organize-imports": "3.2.3",
     "tap-xunit": "2.4.1",