diff --git a/package.json b/package.json
index d5942b6d..10192ffe 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "react-bootstrap": "2.10.10",
     "react-dom": "19.2.0",
     "react-hook-form": "7.66.0",
-    "react-i18next": "15.7.4",
+    "react-i18next": "16.5.3",
     "sass": "1.94.0",
     "serialize-javascript": "6.0.2"
   },
diff --git a/yarn.lock b/yarn.lock
index d22a2a37..06b13871 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -690,6 +690,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/runtime@npm:^7.28.4":
+  version: 7.28.6
+  resolution: "@babel/runtime@npm:7.28.6"
+  checksum: 10c0/358cf2429992ac1c466df1a21c1601d595c46930a13c1d4662fde908d44ee78ec3c183aaff513ecb01ef8c55c3624afe0309eeeb34715672dbfadb7feedb2c0d
+  languageName: node
+  linkType: hard
+
 "@babel/template@npm:^7.25.9":
   version: 7.25.9
   resolution: "@babel/template@npm:7.25.9"
@@ -7600,7 +7607,7 @@ __metadata:
     react-bootstrap: "npm:2.10.10"
     react-dom: "npm:19.2.0"
     react-hook-form: "npm:7.66.0"
-    react-i18next: "npm:15.7.4"
+    react-i18next: "npm:16.5.3"
     sass: "npm:1.94.0"
     serialize-javascript: "npm:6.0.2"
     sinon: "npm:21.0.0"
@@ -8507,14 +8514,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react-i18next@npm:15.7.4":
-  version: 15.7.4
-  resolution: "react-i18next@npm:15.7.4"
+"react-i18next@npm:16.5.3":
+  version: 16.5.3
+  resolution: "react-i18next@npm:16.5.3"
   dependencies:
-    "@babel/runtime": "npm:^7.27.6"
+    "@babel/runtime": "npm:^7.28.4"
     html-parse-stringify: "npm:^3.0.1"
+    use-sync-external-store: "npm:^1.6.0"
   peerDependencies:
-    i18next: ">= 23.4.0"
+    i18next: ">= 25.6.2"
     react: ">= 16.8.0"
     typescript: ^5
   peerDependenciesMeta:
@@ -8524,7 +8532,7 @@ __metadata:
       optional: true
     typescript:
       optional: true
-  checksum: 10c0/643c5d3ced4b44084c871a55e876159561c14f378f90bf53286c1291082703e293573da18ad692b43b357b60d2f7251bc417feb0b522de8cec5c414e5ebdf6c1
+  checksum: 10c0/8c54fa935b892f01022beca6f402580890429f95ebf1df4d8003e328403eb1ba8855682edc0fc730d34f134e6b93feee580773fae22c8d287caa2dce3e13b427
   languageName: node
   linkType: hard
 
@@ -10160,6 +10168,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"use-sync-external-store@npm:^1.6.0":
+  version: 1.6.0
+  resolution: "use-sync-external-store@npm:1.6.0"
+  peerDependencies:
+    react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+  checksum: 10c0/35e1179f872a53227bdf8a827f7911da4c37c0f4091c29b76b1e32473d1670ebe7bcd880b808b7549ba9a5605c233350f800ffab963ee4a4ee346ee983b6019b
+  languageName: node
+  linkType: hard
+
 "util-deprecate@npm:^1.0.2":
   version: 1.0.2
   resolution: "util-deprecate@npm:1.0.2"