diff --git a/package-lock.json b/package-lock.json
index bf7f9cb..7da5c68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -858,6 +858,11 @@
         "validator": "^13.1.1"
       }
     },
+    "fflate": {
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+      "integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+    },
     "fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -2488,9 +2493,9 @@
       "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q=="
     },
     "xlsx": {
-      "version": "0.16.4",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.16.4.tgz",
-      "integrity": "sha512-l1xqTdXRK3DCxkxHGj3OxZM1ertzeqjWodi0jevBNSivoyYMPEJAHhVW7BAfM3gFXK35dCM0CacGUXbATdFvqQ==",
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.17.0.tgz",
+      "integrity": "sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==",
       "requires": {
         "adler-32": "~1.2.0",
         "cfb": "^1.1.4",
@@ -2498,6 +2503,7 @@
         "commander": "~2.17.1",
         "crc-32": "~1.2.0",
         "exit-on-epipe": "~1.0.1",
+        "fflate": "^0.3.8",
         "ssf": "~0.11.2",
         "wmf": "~1.0.1",
         "word": "~0.3.0"
diff --git a/package.json b/package.json
index 5bf93db..8a100de 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,6 @@
     "nodemon": "^2.0.4",
     "passport": "^0.4.1",
     "passport-local": "^1.0.0",
-    "xlsx": "^0.16.4"
+    "xlsx": "^0.17.0"
   }
 }