diff --git a/packages/datagateway-common/package.json b/packages/datagateway-common/package.json
index d05e1f20c..2a3aa7bc2 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": "23.16.6",
     "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 db2963159..61fd45b62 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": "23.16.6",
     "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 27fab952d..8530923ee 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": "23.16.6",
     "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 fedacadf4..ecf35e17e 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": "23.16.6",
     "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 7f58ded5a..16e541120 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1460,7 +1460,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@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:^7.14.6, @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":
+"@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:^7.14.6, @babel/runtime@npm:^7.16.3, @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":
   version: 7.23.8
   resolution: "@babel/runtime@npm:7.23.8"
   dependencies:
@@ -6300,7 +6300,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     hex-to-rgba: 2.0.1
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.16.6
     jest-fail-on-console: 3.1.1
     lint-staged: 13.3.0
     lodash.debounce: 4.0.8
@@ -6376,7 +6376,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     express: 4.20.0
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.16.6
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -6445,7 +6445,7 @@ __metadata:
     eslint-plugin-cypress: 2.15.1
     eslint-plugin-prettier: 4.2.1
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.16.6
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -6516,7 +6516,7 @@ __metadata:
     eslint-plugin-prettier: 4.2.1
     express: 4.20.0
     history: 4.10.1
-    i18next: 22.0.3
+    i18next: 23.16.6
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
@@ -9066,12 +9066,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"i18next@npm:22.0.3":
-  version: 22.0.3
-  resolution: "i18next@npm:22.0.3"
+"i18next@npm:23.16.6":
+  version: 23.16.6
+  resolution: "i18next@npm:23.16.6"
   dependencies:
-    "@babel/runtime": ^7.17.2
-  checksum: 0ae40923e81f366c6e30126fad070b9188ee567374eb8046dc43ca9dd8bf3c4a3751c2e4c3f60f8d5cfcdb1925b884580cbb6cabfffba684f37c22a019d7f2b2
+    "@babel/runtime": ^7.23.2
+  checksum: f8a63108247754109ec3c9a8ee9635cd89a7cf8219d6e59c23251ecac68d5db326fcb10c2aa1fff9d5ac9c88d2f4277a4e9178bee0084443a42a701b10ae29dd
   languageName: node
   linkType: hard