diff --git a/package-lock.json b/package-lock.json
index 6ddddb2e2..f568d3778 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -138,7 +138,7 @@
         "webpack": "~5.96.1",
         "webpack-bundle-analyzer": "~4.10.2",
         "webpack-cli": "~5.1.4",
-        "xlsx": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz"
+        "xlsx": "file:src/main/resources/lib/vendor/xlsx-0.20.3.tgz"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -21511,7 +21511,7 @@
     },
     "node_modules/xlsx": {
       "version": "0.20.3",
-      "resolved": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
+      "resolved": "file:src/main/resources/lib/vendor/xlsx-0.20.3.tgz",
       "integrity": "sha512-oLDq3jw7AcLqKWH2AhCpVTZl8mf6X2YReP+Neh0SJUzV/BdZYjth94tG5toiMB1PPrYtxOCfaoUCkvtuH+3AJA==",
       "dev": true,
       "bin": {
@@ -36944,7 +36944,7 @@
       "requires": {}
     },
     "xlsx": {
-      "version": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
+      "version": "file:src/main/resources/lib/vendor/xlsx-0.20.3.tgz",
       "integrity": "sha512-oLDq3jw7AcLqKWH2AhCpVTZl8mf6X2YReP+Neh0SJUzV/BdZYjth94tG5toiMB1PPrYtxOCfaoUCkvtuH+3AJA==",
       "dev": true
     },
diff --git a/package.json b/package.json
index 123e23fde..bcc14b510 100644
--- a/package.json
+++ b/package.json
@@ -149,7 +149,7 @@
     "webpack": "~5.96.1",
     "webpack-bundle-analyzer": "~4.10.2",
     "webpack-cli": "~5.1.4",
-    "xlsx": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz"
+    "xlsx": "file:src/main/resources/lib/vendor/xlsx-0.20.3.tgz"
   },
   "browserslist": [
     "last 2 version",
diff --git a/src/main/resources/lib/vendor/xlsx-0.20.3.tgz b/src/main/resources/lib/vendor/xlsx-0.20.3.tgz
new file mode 100644
index 000000000..b9df84a5c
Binary files /dev/null and b/src/main/resources/lib/vendor/xlsx-0.20.3.tgz differ