diff --git a/package.json b/package.json
index ac31b9cdd6..3d3cf6d5d2 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "mutex-js": "^1.1.5",
     "node-vibrant": "^3.1.6",
     "papaparse": "^5.2.0",
-    "pdfjs-dist": "^2.14.305",
+    "pdfjs-dist": "^2.15.349",
     "qs": "^6.9.1",
     "regenerator-runtime": "^0.13.5",
     "showdown": "^1.9.1",
diff --git a/yarn.lock b/yarn.lock
index 6efe026eec..7bcb6b4543 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4385,7 +4385,7 @@ domhandler@^4.2.0, domhandler@^4.3.1:
   dependencies:
     domelementtype "^2.2.0"
 
-dommatrix@^1.0.1:
+dommatrix@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/dommatrix/-/dommatrix-1.0.3.tgz#e7c18e8d6f3abdd1fef3dd4aa74c4d2e620a0525"
   integrity sha512-l32Xp/TLgWb8ReqbVJAFIvXmY7go4nTxxlWiAFyhoQw9RKEOHBZNnyGvJWqDVSPmq3Y9HlM4npqF/T6VMOXhww==
@@ -9400,12 +9400,12 @@ path-webpack@0.0.3:
   resolved "https://registry.yarnpkg.com/path-webpack/-/path-webpack-0.0.3.tgz#ff6dec749eec5a94605c04d5f63fc55607a03a16"
   integrity sha512-AmeDxedoo5svf7aB3FYqSAKqMxys014lVKBzy1o/5vv9CtU7U4wgGWL1dA2o6MOzcD53ScN4Jmiq6VbtLz1vIQ==
 
-pdfjs-dist@^2.14.305:
-  version "2.14.305"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.14.305.tgz#ed2ecb439ff8af5446c90a310ebd30bc1a91df62"
-  integrity sha512-5f7i25J1dKIBczhgfxEgNxfYNIxXEdxqo6Qb4ehY7Ja+p6AI4uUmk/OcVGXfRGm2ys5iaJJhJUwBFwv6Jl/Qww==
+pdfjs-dist@^2.15.349:
+  version "2.15.349"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.15.349.tgz#b52ced6e667bfe3df72a06b92107f150eedf154d"
+  integrity sha512-EeCfqj6xi4/aegKNS7Bs+TCg3Y5gmKmG0s/5xXI0PqWW66x+Nm7iFXBpVcup7HnR8sNDm+5NESfFr8T6DeWp9Q==
   dependencies:
-    dommatrix "^1.0.1"
+    dommatrix "^1.0.3"
     web-streams-polyfill "^3.2.1"
 
 performance-now@^2.1.0: