diff --git a/package.json b/package.json
index aeced62..1c1b26c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "foreman": "^3.0.1",
     "fs": "^0.0.1-security",
     "graceful-fs": "^4.1.15",
-    "mammoth": "^1.4.7",
+    "mammoth": "^1.4.9",
     "pdf2json": "^1.1.7",
     "promise-filter": "^1.1.0",
     "react": "^16.5.2",
diff --git a/yarn.lock b/yarn.lock
index 70c635e..e76185c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5754,10 +5754,10 @@ makeerror@1.0.x:
   dependencies:
     tmpl "1.0.x"
 
-mammoth@^1.4.7:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/mammoth/-/mammoth-1.4.7.tgz#c9c2e6d5d4ba6feab996c2b66f2c2c3d69acaadd"
-  integrity sha512-vN13//bwnOhYPYArerIHXgDV6hhSzpyQjdtoRaJjMU9z60DBQlb/A2Ug59QBVgjWiJXpVUH0sLmXunbFg5J0EQ==
+mammoth@^1.4.9:
+  version "1.4.9"
+  resolved "https://registry.yarnpkg.com/mammoth/-/mammoth-1.4.9.tgz#03187d39e28952c83a3aa37e583a3ecb656ba35c"
+  integrity sha512-Qg9t6HBPeMPIRE6Oyd1DAovgu8ZJ5gAWPzqhBgOQQbNrGbBa5pewxrCqyeMUOm0u4mwYO5KziGYcykmMzdUL2A==
   dependencies:
     argparse "~1.0.3"
     bluebird "~3.4.0"