diff --git a/package-lock.json b/package-lock.json
index a7cb4d9a..4ee0fd07 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6827,9 +6827,9 @@
       }
     },
     "pdfjs-dist": {
-      "version": "2.0.943",
-      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-2.0.943.tgz",
-      "integrity": "sha512-iLhNcm4XceTHRaSU5o22ZGCm4YpuW5+rf4+BJFH/feBhMQLbCGBry+Jet8Q419QDI4qgARaIQzXuiNrsNWS8Yw==",
+      "version": "2.1.266",
+      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-2.1.266.tgz",
+      "integrity": "sha512-Jy7o1wE3NezPxozexSbq4ltuLT0Z21ew/qrEiAEeUZzHxMHGk4DUV1D7RuCXg5vJDvHmjX1YssN+we9QfRRgXQ==",
       "dev": true,
       "requires": {
         "node-ensure": "^0.0.0",
diff --git a/package.json b/package.json
index eeac2ff3..e28d10b0 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "karma-webpack": "^4.0.2",
     "lolex": "^3.1.0",
     "mocha": "^6.1.4",
-    "pdfjs-dist": "2.0.943",
+    "pdfjs-dist": "2.1.266",
     "sinon": "^7.3.2",
     "sinon-chai": "^3.3.0",
     "twitter-text": "^1.13.4",