diff --git a/airflow-core/src/airflow/ui/package.json b/airflow-core/src/airflow/ui/package.json
index d1ad1d82019d8..dc69c0262ce98 100644
--- a/airflow-core/src/airflow/ui/package.json
+++ b/airflow-core/src/airflow/ui/package.json
@@ -47,7 +47,7 @@
     "dayjs": "^1.11.21",
     "elkjs": "^0.11.1",
     "html-to-image": "^1.11.13",
-    "i18next": "^25.8.16",
+    "i18next": "^26.3.6",
     "i18next-browser-languagedetector": "^8.2.1",
     "i18next-http-backend": "^3.0.5",
     "katex": "^0.17.0",
diff --git a/airflow-core/src/airflow/ui/pnpm-lock.yaml b/airflow-core/src/airflow/ui/pnpm-lock.yaml
index ea8bc0519c095..00a5f109f1c55 100644
--- a/airflow-core/src/airflow/ui/pnpm-lock.yaml
+++ b/airflow-core/src/airflow/ui/pnpm-lock.yaml
@@ -105,8 +105,8 @@ importers:
         specifier: ^1.11.13
         version: 1.11.13
       i18next:
-        specifier: ^25.8.16
-        version: 25.8.16(typescript@6.0.3)
+        specifier: ^26.3.6
+        version: 26.3.6(typescript@6.0.3)
       i18next-browser-languagedetector:
         specifier: ^8.2.1
         version: 8.2.1
@@ -142,7 +142,7 @@ importers:
         version: 5.3.3(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       react-i18next:
         specifier: ^16.6.5
-        version: 16.6.5(i18next@25.8.16(typescript@6.0.3))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)(typescript@6.0.3)
+        version: 16.6.5(i18next@26.3.6(typescript@6.0.3))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)(typescript@6.0.3)
       react-icons:
         specifier: ^5.7.0
         version: 5.7.0(react@19.2.7)
@@ -2864,10 +2864,10 @@ packages:
   i18next-http-backend@3.0.5:
     resolution: {integrity: sha512-QaWHnsxieEDcqKe+vo/RFqpiIFRi/KBqlOSPcUlvinBaISCeiTRCbtrazHAjtHtsLC66oDsROAH8frWkQzfMMQ==}
 
-  i18next@25.8.16:
-    resolution: {integrity: sha512-/4Xvgm8RiJNcB+sZwplylrFNJ27DVvubGX7y6uXn7hh7aSvbmXVSRIyIGx08fEn05SYwaSYWt753mIpJuPKo+Q==}
+  i18next@26.3.6:
+    resolution: {integrity: sha512-Bu5Z2nAXgfVyM8xvW3jk9EKRIuX37PudsrBViThNFx7CR7aaYTpP01cxNB/E4c4UUzTDiAZRstEhsRfPOL/8xA==}
     peerDependencies:
-      typescript: ^5
+      typescript: ^5 || ^6 || ^7
     peerDependenciesMeta:
       typescript:
         optional: true
@@ -7895,9 +7895,7 @@ snapshots:
     transitivePeerDependencies:
       - encoding
 
-  i18next@25.8.16(typescript@6.0.3):
-    dependencies:
-      '@babel/runtime': 7.28.6
+  i18next@26.3.6(typescript@6.0.3):
     optionalDependencies:
       typescript: 6.0.3
 
@@ -9063,11 +9061,11 @@ snapshots:
       react: 19.2.7
       react-dom: 19.2.7(react@19.2.7)
 
-  react-i18next@16.6.5(i18next@25.8.16(typescript@6.0.3))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)(typescript@6.0.3):
+  react-i18next@16.6.5(i18next@26.3.6(typescript@6.0.3))(react-dom@19.2.7(react@19.2.7))(react@19.2.7)(typescript@6.0.3):
     dependencies:
       '@babel/runtime': 7.29.2
       html-parse-stringify: 3.0.1
-      i18next: 25.8.16(typescript@6.0.3)
+      i18next: 26.3.6(typescript@6.0.3)
       react: 19.2.7
       use-sync-external-store: 1.6.0(react@19.2.7)
     optionalDependencies: