diff --git a/package-lock.json b/package-lock.json
index 272a514..afda902 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "@xmldom/xmldom": "^0.7.0",
+        "@xmldom/xmldom": "^0.8.3",
         "exceljs": "^4.2.1",
         "timezonecomplete": "^5.12.4"
       },
@@ -50,9 +50,9 @@
       "integrity": "sha512-q4jlIR71hUpWTnGhXWcakgkZeHa3CCjcQcnuzU8M891BAWA2jHiziiWEPEkdS5pFsz7H9HJiy8BrK7tBRNrY7A=="
     },
     "node_modules/@xmldom/xmldom": {
-      "version": "0.7.5",
-      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.7.5.tgz",
-      "integrity": "sha512-V3BIhmY36fXZ1OtVcI9W+FxQqxVLsPKcNjWigIaa81dLC9IolJl5Mt4Cvhmr0flUnjSpTdrbMTSbXqYqV5dT6A==",
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.3.tgz",
+      "integrity": "sha512-Lv2vySXypg4nfa51LY1nU8yDAGo/5YwF+EY/rUZgIbfvwVARcd67ttCM8SMsTeJy51YhHYavEq+FS6R0hW9PFQ==",
       "engines": {
         "node": ">=10.0.0"
       }
@@ -1201,9 +1201,9 @@
       "integrity": "sha512-q4jlIR71hUpWTnGhXWcakgkZeHa3CCjcQcnuzU8M891BAWA2jHiziiWEPEkdS5pFsz7H9HJiy8BrK7tBRNrY7A=="
     },
     "@xmldom/xmldom": {
-      "version": "0.7.5",
-      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.7.5.tgz",
-      "integrity": "sha512-V3BIhmY36fXZ1OtVcI9W+FxQqxVLsPKcNjWigIaa81dLC9IolJl5Mt4Cvhmr0flUnjSpTdrbMTSbXqYqV5dT6A=="
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.3.tgz",
+      "integrity": "sha512-Lv2vySXypg4nfa51LY1nU8yDAGo/5YwF+EY/rUZgIbfvwVARcd67ttCM8SMsTeJy51YhHYavEq+FS6R0hW9PFQ=="
     },
     "ansi-styles": {
       "version": "3.2.1",
diff --git a/package.json b/package.json
index dfc6d75..65d4146 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "serve": "./bin/run.sh serve"
   },
   "dependencies": {
-    "@xmldom/xmldom": "^0.7.0",
+    "@xmldom/xmldom": "^0.8.3",
     "exceljs": "^4.2.1",
     "timezonecomplete": "^5.12.4"
   },
diff --git a/yarn.lock b/yarn.lock
index d503486..22a3695 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32,10 +32,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.12.tgz#0d4557fd3b94497d793efd4e7d92df2f83b4ef24"
   integrity sha512-q4jlIR71hUpWTnGhXWcakgkZeHa3CCjcQcnuzU8M891BAWA2jHiziiWEPEkdS5pFsz7H9HJiy8BrK7tBRNrY7A==
 
-"@xmldom/xmldom@^0.7.0":
-  version "0.7.5"
-  resolved "https://registry.yarnpkg.com/@xmldom/xmldom/-/xmldom-0.7.5.tgz#09fa51e356d07d0be200642b0e4f91d8e6dd408d"
-  integrity sha512-V3BIhmY36fXZ1OtVcI9W+FxQqxVLsPKcNjWigIaa81dLC9IolJl5Mt4Cvhmr0flUnjSpTdrbMTSbXqYqV5dT6A==
+"@xmldom/xmldom@^0.8.3":
+  version "0.8.3"
+  resolved "https://registry.yarnpkg.com/@xmldom/xmldom/-/xmldom-0.8.3.tgz#beaf980612532aa9a3004aff7e428943aeaa0711"
+  integrity sha512-Lv2vySXypg4nfa51LY1nU8yDAGo/5YwF+EY/rUZgIbfvwVARcd67ttCM8SMsTeJy51YhHYavEq+FS6R0hW9PFQ==
 
 ansi-styles@^3.2.1:
   version "3.2.1"