diff --git a/package.json b/package.json
index 7891f111..06cbe922 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "react-bootstrap": "2.10.10",
     "react-dom": "19.2.4",
     "react-hook-form": "7.66.0",
-    "react-i18next": "15.7.4",
+    "react-i18next": "16.5.6",
     "sass": "1.94.0",
     "serialize-javascript": "6.0.2"
   },
diff --git a/yarn.lock b/yarn.lock
index cd7a1c81..e3eea8a0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -683,13 +683,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.27.6":
-  version: 7.27.6
-  resolution: "@babel/runtime@npm:7.27.6"
-  checksum: 10c0/89726be83f356f511dcdb74d3ea4d873a5f0cf0017d4530cb53aa27380c01ca102d573eff8b8b77815e624b1f8c24e7f0311834ad4fb632c90a770fda00bd4c8
-  languageName: node
-  linkType: hard
-
 "@babel/runtime@npm:^7.28.4":
   version: 7.28.6
   resolution: "@babel/runtime@npm:7.28.6"
@@ -7614,7 +7607,7 @@ __metadata:
     react-bootstrap: "npm:2.10.10"
     react-dom: "npm:19.2.4"
     react-hook-form: "npm:7.66.0"
-    react-i18next: "npm:15.7.4"
+    react-i18next: "npm:16.5.6"
     sass: "npm:1.94.0"
     serialize-javascript: "npm:6.0.2"
     sinon: "npm:21.0.0"
@@ -8521,14 +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:16.5.6":
+  version: 16.5.6
+  resolution: "react-i18next@npm:16.5.6"
   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:
@@ -8538,7 +8532,7 @@ __metadata:
       optional: true
     typescript:
       optional: true
-  checksum: 10c0/643c5d3ced4b44084c871a55e876159561c14f378f90bf53286c1291082703e293573da18ad692b43b357b60d2f7251bc417feb0b522de8cec5c414e5ebdf6c1
+  checksum: 10c0/6bc70721c9a8d1e74af6e4a2d9123be099265c6a0d3fce35fe6f19b1484f3b0d5abf635d22115d5930d80574aa9612d5da41c5a829471e4697cbe99bcd83ed23
   languageName: node
   linkType: hard
 
@@ -10174,6 +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"