diff --git a/packages/datagateway-common/package.json b/packages/datagateway-common/package.json
index 495335337..207a50614 100644
--- a/packages/datagateway-common/package.json
+++ b/packages/datagateway-common/package.json
@@ -17,7 +17,7 @@
     "date-fns": "2.30.0",
     "hex-to-rgba": "2.0.1",
     "history": "4.10.1",
-    "i18next": "22.0.3",
+    "i18next": "23.13.0",
     "lodash.debounce": "4.0.8",
     "loglevel": "1.9.1",
     "prettier": "2.8.0",
diff --git a/packages/datagateway-dataview/package.json b/packages/datagateway-dataview/package.json
index 57fb99474..7aaff10b5 100644
--- a/packages/datagateway-dataview/package.json
+++ b/packages/datagateway-dataview/package.json
@@ -28,7 +28,7 @@
     "eslint-plugin-cypress": "2.15.1",
     "eslint-plugin-prettier": "4.2.1",
     "history": "4.10.1",
-    "i18next": "22.0.3",
+    "i18next": "23.13.0",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
     "jsrsasign": "11.0.0",
diff --git a/packages/datagateway-download/package.json b/packages/datagateway-download/package.json
index ae990531e..28611a1e6 100644
--- a/packages/datagateway-download/package.json
+++ b/packages/datagateway-download/package.json
@@ -24,7 +24,7 @@
     "eslint-plugin-cypress": "2.15.1",
     "eslint-plugin-prettier": "4.2.1",
     "history": "4.10.1",
-    "i18next": "22.0.3",
+    "i18next": "23.13.0",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
     "jsrsasign": "11.0.0",
diff --git a/packages/datagateway-search/package.json b/packages/datagateway-search/package.json
index fe086b12b..bfd1f3b64 100644
--- a/packages/datagateway-search/package.json
+++ b/packages/datagateway-search/package.json
@@ -29,7 +29,7 @@
     "eslint-plugin-cypress": "2.15.1",
     "eslint-plugin-prettier": "4.2.1",
     "history": "4.10.1",
-    "i18next": "22.0.3",
+    "i18next": "23.13.0",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
     "jsrsasign": "11.0.0",
diff --git a/yarn.lock b/yarn.lock
index 154a1212a..144a7bff5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1460,7 +1460,7 @@ __metadata:
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-"@babel/runtime@npm:^7.1.2, @babel/runtime@npm:^7.11.2, @babel/runtime@npm:^7.12.1, @babel/runtime@npm:^7.12.13, @babel/runtime@npm:^7.12.5, @babel/runtime@npm:^7.16.3, @babel/runtime@npm:^7.17.2, @babel/runtime@npm:^7.18.3, @babel/runtime@npm:^7.20.6, @babel/runtime@npm:^7.20.7, @babel/runtime@npm:^7.21.0, @babel/runtime@npm:^7.22.6, @babel/runtime@npm:^7.23.2, @babel/runtime@npm:^7.5.5, @babel/runtime@npm:^7.6.2, @babel/runtime@npm:^7.7.2, @babel/runtime@npm:^7.8.4, @babel/runtime@npm:^7.8.7, @babel/runtime@npm:^7.9.2":
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   resolution: "@babel/runtime@npm:7.23.8"
   dependencies:
@@ -1469,27 +1469,7 @@ __metadata:
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-"@babel/runtime@npm:^7.14.6":
-  version: 7.22.6
-  resolution: "@babel/runtime@npm:7.22.6"
-  dependencies:
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-  checksum: e585338287c4514a713babf4fdb8fc2a67adcebab3e7723a739fc62c79cfda875b314c90fd25f827afb150d781af97bc16c85bfdbfa2889f06053879a1ddb597
-  languageName: node
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-
-"@babel/template@npm:^7.18.10, @babel/template@npm:^7.20.7, @babel/template@npm:^7.3.3":
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-  resolution: "@babel/template@npm:7.20.7"
-  dependencies:
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-    "@babel/parser": ^7.20.7
-    "@babel/types": ^7.20.7
-  checksum: 2eb1a0ab8d415078776bceb3473d07ab746e6bb4c2f6ca46ee70efb284d75c4a32bb0cd6f4f4946dec9711f9c0780e8e5d64b743208deac6f8e9858afadc349e
-  languageName: node
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-
-"@babel/template@npm:^7.22.15":
+"@babel/template@npm:^7.18.10, @babel/template@npm:^7.20.7, @babel/template@npm:^7.22.15, @babel/template@npm:^7.3.3":
   version: 7.22.15
   resolution: "@babel/template@npm:7.22.15"
   dependencies:
@@ -3016,23 +2996,7 @@ __metadata:
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-"@testing-library/dom@npm:^8.0.0":
-  version: 8.20.0
-  resolution: "@testing-library/dom@npm:8.20.0"
-  dependencies:
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-    "@babel/runtime": ^7.12.5
-    "@types/aria-query": ^5.0.1
-    aria-query: ^5.0.0
-    chalk: ^4.1.0
-    dom-accessibility-api: ^0.5.9
-    lz-string: ^1.4.4
-    pretty-format: ^27.0.2
-  checksum: 1e599129a2fe91959ce80900a0a4897232b89e2a8e22c1f5950c36d39c97629ea86b4986b60b173b5525a05de33fde1e35836ea597b03de78cc51b122835c6f0
-  languageName: node
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-
-"@testing-library/dom@npm:^8.1.0":
+"@testing-library/dom@npm:^8.0.0, @testing-library/dom@npm:^8.1.0":
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   resolution: "@testing-library/dom@npm:8.20.1"
   dependencies:
@@ -4997,26 +4961,6 @@ __metadata:
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-"body-parser@npm:1.20.1":
-  version: 1.20.1
-  resolution: "body-parser@npm:1.20.1"
-  dependencies:
-    bytes: 3.1.2
-    content-type: ~1.0.4
-    debug: 2.6.9
-    depd: 2.0.0
-    destroy: 1.2.0
-    http-errors: 2.0.0
-    iconv-lite: 0.4.24
-    on-finished: 2.4.1
-    qs: 6.11.0
-    raw-body: 2.5.1
-    type-is: ~1.6.18
-    unpipe: 1.0.0
-  checksum: f1050dbac3bede6a78f0b87947a8d548ce43f91ccc718a50dd774f3c81f2d8b04693e52acf62659fad23101827dd318da1fb1363444ff9a8482b886a3e4a5266
-  languageName: node
-  linkType: hard
-
 "body-parser@npm:1.20.2":
   version: 1.20.2
   resolution: "body-parser@npm:1.20.2"
@@ -5833,13 +5777,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cookie@npm:0.5.0":
-  version: 0.5.0
-  resolution: "cookie@npm:0.5.0"
-  checksum: 1f4bd2ca5765f8c9689a7e8954183f5332139eb72b6ff783d8947032ec1fdf43109852c178e21a953a30c0dd42257828185be01b49d1eb1a67fd054ca588a180
-  languageName: node
-  linkType: hard
-
 "cookie@npm:0.6.0":
   version: 0.6.0
   resolution: "cookie@npm:0.6.0"
@@ -6377,7 +6314,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     hex-to-rgba: 2.0.1
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.13.0
     jest-fail-on-console: 3.1.1
     lint-staged: 13.3.0
     lodash.debounce: 4.0.8
@@ -6453,7 +6390,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     express: 4.19.2
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.13.0
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -6522,7 +6459,7 @@ __metadata:
     eslint-plugin-cypress: 2.15.1
     eslint-plugin-prettier: 4.2.1
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.13.0
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -6593,7 +6530,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     express: 4.19.2
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.13.0
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -7949,7 +7886,7 @@ __metadata:
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-"express@npm:4.19.2":
+"express@npm:4.19.2, express@npm:^4.17.3":
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   resolution: "express@npm:4.19.2"
   dependencies:
@@ -7988,45 +7925,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"express@npm:^4.17.3":
-  version: 4.18.2
-  resolution: "express@npm:4.18.2"
-  dependencies:
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-    array-flatten: 1.1.1
-    body-parser: 1.20.1
-    content-disposition: 0.5.4
-    content-type: ~1.0.4
-    cookie: 0.5.0
-    cookie-signature: 1.0.6
-    debug: 2.6.9
-    depd: 2.0.0
-    encodeurl: ~1.0.2
-    escape-html: ~1.0.3
-    etag: ~1.8.1
-    finalhandler: 1.2.0
-    fresh: 0.5.2
-    http-errors: 2.0.0
-    merge-descriptors: 1.0.1
-    methods: ~1.1.2
-    on-finished: 2.4.1
-    parseurl: ~1.3.3
-    path-to-regexp: 0.1.7
-    proxy-addr: ~2.0.7
-    qs: 6.11.0
-    range-parser: ~1.2.1
-    safe-buffer: 5.2.1
-    send: 0.18.0
-    serve-static: 1.15.0
-    setprototypeof: 1.2.0
-    statuses: 2.0.1
-    type-is: ~1.6.18
-    utils-merge: 1.0.1
-    vary: ~1.1.2
-  checksum: 3c4b9b076879442f6b968fe53d85d9f1eeacbb4f4c41e5f16cc36d77ce39a2b0d81b3f250514982110d815b2f7173f5561367f9110fcc541f9371948e8c8b037
-  languageName: node
-  linkType: hard
-
 "extend@npm:~3.0.2":
   version: 3.0.2
   resolution: "extend@npm:3.0.2"
@@ -9137,12 +9035,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"i18next@npm:22.0.3":
-  version: 22.0.3
-  resolution: "i18next@npm:22.0.3"
+"i18next@npm:23.13.0":
+  version: 23.13.0
+  resolution: "i18next@npm:23.13.0"
   dependencies:
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-  checksum: 0ae40923e81f366c6e30126fad070b9188ee567374eb8046dc43ca9dd8bf3c4a3751c2e4c3f60f8d5cfcdb1925b884580cbb6cabfffba684f37c22a019d7f2b2
+    "@babel/runtime": ^7.23.2
+  checksum: fe7d955ae388f382736a22b8761f295482341b2c8cab887da6c1578050d5e54538c7ce87b8b0f350047d3e980620d893a9768c409184111d0b62624cb56bcb15
   languageName: node
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@@ -11058,15 +10956,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lz-string@npm:^1.4.4":
-  version: 1.4.4
-  resolution: "lz-string@npm:1.4.4"
-  bin:
-    lz-string: bin/bin.js
-  checksum: 54e31238a61a84d8f664d9860a9fba7310c5b97a52c444f80543069bc084815eff40b8d4474ae1d93992fdf6c252dca37cf27f6adbeb4dbc3df2f3ac773d0e61
-  languageName: node
-  linkType: hard
-
 "lz-string@npm:^1.5.0":
   version: 1.5.0
   resolution: "lz-string@npm:1.5.0"
@@ -13299,18 +13188,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"raw-body@npm:2.5.1":
-  version: 2.5.1
-  resolution: "raw-body@npm:2.5.1"
-  dependencies:
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-    http-errors: 2.0.0
-    iconv-lite: 0.4.24
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-  checksum: 5362adff1575d691bb3f75998803a0ffed8c64eabeaa06e54b4ada25a0cd1b2ae7f4f5ec46565d1bec337e08b5ac90c76eaa0758de6f72a633f025d754dec29e
-  languageName: node
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 "raw-body@npm:2.5.2":
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   resolution: "raw-body@npm:2.5.2"
@@ -13823,7 +13700,7 @@ __metadata:
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   linkType: hard
 
-"regenerator-runtime@npm:^0.13.11, regenerator-runtime@npm:^0.13.9":
+"regenerator-runtime@npm:^0.13.9":
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   resolution: "regenerator-runtime@npm:0.13.11"
   checksum: 27481628d22a1c4e3ff551096a683b424242a216fee44685467307f14d58020af1e19660bf2e26064de946bad7eff28950eae9f8209d55723e2d9351e632bbb4