diff --git a/apps/OpenSign/package-lock.json b/apps/OpenSign/package-lock.json
index 19f5dd0b1..3652e16aa 100644
--- a/apps/OpenSign/package-lock.json
+++ b/apps/OpenSign/package-lock.json
@@ -38,7 +38,7 @@
         "react-dnd-html5-backend": "^16.0.1",
         "react-dnd-multi-backend": "^9.0.0",
         "react-dnd-touch-backend": "^16.0.1",
-        "react-dom": "^18.3.1",
+        "react-dom": "^19.1.1",
         "react-gtm-module": "^2.0.11",
         "react-helmet": "^6.1.0",
         "react-i18next": "^15.5.3",
@@ -14038,18 +14038,23 @@
       }
     },
     "node_modules/react-dom": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
-      "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
+      "version": "19.1.1",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.1.1.tgz",
+      "integrity": "sha512-Dlq/5LAZgF0Gaz6yiqZCf6VCcZs1ghAJyrsu84Q/GT0gV+mCxbfmKNoGRKBYMJ8IEdGPqu49YWXD02GCknEDkw==",
       "license": "MIT",
       "dependencies": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.2"
+        "scheduler": "^0.26.0"
       },
       "peerDependencies": {
-        "react": "^18.3.1"
+        "react": "^19.1.1"
       }
     },
+    "node_modules/react-dom/node_modules/scheduler": {
+      "version": "0.26.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.26.0.tgz",
+      "integrity": "sha512-NlHwttCI/l5gCPR3D1nNXtWABUmBwvZpEQiD4IXSbIDq8BzLIK/7Ir5gTFSGZDUu37K5cMNp0hFtzO38sC7gWA==",
+      "license": "MIT"
+    },
     "node_modules/react-draggable": {
       "version": "4.4.6",
       "resolved": "https://registry.npmjs.org/react-draggable/-/react-draggable-4.4.6.tgz",
diff --git a/apps/OpenSign/package.json b/apps/OpenSign/package.json
index a9a8943b1..2a16376da 100644
--- a/apps/OpenSign/package.json
+++ b/apps/OpenSign/package.json
@@ -33,7 +33,7 @@
     "react-dnd-html5-backend": "^16.0.1",
     "react-dnd-multi-backend": "^9.0.0",
     "react-dnd-touch-backend": "^16.0.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.1.1",
     "react-gtm-module": "^2.0.11",
     "react-helmet": "^6.1.0",
     "react-i18next": "^15.5.3",