diff --git a/package-lock.json b/package-lock.json
index 5109e68..468594f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11798,6 +11798,11 @@
         "pend": "~1.2.0"
       }
     },
+    "fflate": {
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+      "integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+    },
     "figgy-pudding": {
       "version": "3.5.2",
       "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.2.tgz",
@@ -27270,9 +27275,9 @@
       "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ="
     },
     "xlsx": {
-      "version": "0.16.7",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.16.7.tgz",
-      "integrity": "sha512-Xc4NRjci2Grbh9NDk/XoaWycJurxEug1wwn0aJCmB0NvIMyQuHYq2muWLWGidYNZPf94aUbqm6K8Fbjd7gKTZg==",
+      "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",
@@ -27280,6 +27285,7 @@
         "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 11100c1..0f30320 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "teremock": "^1.3.0",
     "ts-jest": "^26.4.1",
     "tslib": "^2.0.0",
-    "xlsx": "^0.16.7",
+    "xlsx": "^0.17.0",
     "zone.js": "^0.11.3"
   },
   "devDependencies": {