diff --git a/package-lock.json b/package-lock.json
index d13f6dedef6..2f978a6efbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "angular-oauth2-oidc": "^20.0.2",
         "express": "^5.1.0",
         "hamburgers": "^1.2.1",
-        "i18next": "^25.7.4",
+        "i18next": "^26.0.0",
         "i18next-http-backend": "^3.0.2",
         "i18next-resources-to-backend": "^1.2.1",
         "ngx-infinite-scroll": "^21.0.0",
@@ -25930,29 +25930,29 @@
       }
     },
     "node_modules/i18next": {
-      "version": "25.7.4",
-      "resolved": "https://registry.npmjs.org/i18next/-/i18next-25.7.4.tgz",
-      "integrity": "sha512-hRkpEblXXcXSNbw8mBNq9042OEetgyB/ahc/X17uV/khPwzV+uB8RHceHh3qavyrkPJvmXFKXME2Sy1E0KjAfw==",
+      "version": "26.0.3",
+      "resolved": "https://registry.npmjs.org/i18next/-/i18next-26.0.3.tgz",
+      "integrity": "sha512-1571kXINxHKY7LksWp8wP+zP0YqHSSpl/OW0Y0owFEf2H3s8gCAffWaZivcz14rMkOvn3R/psiQxVsR9t2Nafg==",
       "funding": [
         {
           "type": "individual",
-          "url": "https://locize.com"
+          "url": "https://www.locize.com/i18next"
         },
         {
           "type": "individual",
-          "url": "https://locize.com/i18next.html"
+          "url": "https://www.i18next.com/how-to/faq#i18next-is-awesome.-how-can-i-support-the-project"
         },
         {
           "type": "individual",
-          "url": "https://www.i18next.com/how-to/faq#i18next-is-awesome.-how-can-i-support-the-project"
+          "url": "https://www.locize.com"
         }
       ],
       "license": "MIT",
       "dependencies": {
-        "@babel/runtime": "^7.28.4"
+        "@babel/runtime": "^7.29.2"
       },
       "peerDependencies": {
-        "typescript": "^5"
+        "typescript": "^5 || ^6"
       },
       "peerDependenciesMeta": {
         "typescript": {
@@ -39918,7 +39918,7 @@
         "@ngrx/router-store": "^21.0.1",
         "@ngrx/store": "^21.0.1",
         "angular-oauth2-oidc": "^20.0.2",
-        "i18next": "^25.7.4",
+        "i18next": "^26.0.0",
         "i18next-http-backend": "^3.0.2",
         "i18next-resources-to-backend": "^1.2.1",
         "rxjs": "^7.8.0"
diff --git a/package.json b/package.json
index 38f911d3540..3cfb057d4f3 100644
--- a/package.json
+++ b/package.json
@@ -193,7 +193,7 @@
     "angular-oauth2-oidc": "^20.0.2",
     "express": "^5.1.0",
     "hamburgers": "^1.2.1",
-    "i18next": "^25.7.4",
+    "i18next": "^26.0.0",
     "i18next-http-backend": "^3.0.2",
     "i18next-resources-to-backend": "^1.2.1",
     "ngx-infinite-scroll": "^21.0.0",
diff --git a/projects/core/package.json b/projects/core/package.json
index 3268e349111..313c04b48ef 100644
--- a/projects/core/package.json
+++ b/projects/core/package.json
@@ -23,7 +23,7 @@
     "@ngrx/router-store": "^21.0.1",
     "@ngrx/store": "^21.0.1",
     "angular-oauth2-oidc": "^20.0.2",
-    "i18next": "^25.7.4",
+    "i18next": "^26.0.0",
     "i18next-http-backend": "^3.0.2",
     "i18next-resources-to-backend": "^1.2.1",
     "rxjs": "^7.8.0"