diff --git a/Dockerfile b/Dockerfile
index d2c092c02..4d296e2d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Dockerfile to build and serve datagateway
 
 # Build stage
-FROM node:20.11.1-alpine3.19@sha256:bf77dc26e48ea95fca9d1aceb5acfa69d2e546b765ec2abfb502975f1a2d4def as builder
+FROM node:20.18.1-alpine3.19@sha256:1cc9088b0fbcb2009a8fc2cb57916cd129cd5e32b3c75fb12bb24bac76917a96 as builder
 
 WORKDIR /datagateway-build
 
diff --git a/packages/datagateway-common/package.json b/packages/datagateway-common/package.json
index d670f87b7..2ecab1dcc 100644
--- a/packages/datagateway-common/package.json
+++ b/packages/datagateway-common/package.json
@@ -51,7 +51,7 @@
     "@testing-library/jest-dom": "6.4.1",
     "@testing-library/react": "14.0.0",
     "@testing-library/user-event": "14.5.2",
-    "@types/node": "20.11.5",
+    "@types/node": "20.19.0",
     "@types/react": "18.0.33",
     "@types/react-router-dom": "5.3.3",
     "@types/react-virtualized": "9.21.10",
diff --git a/packages/datagateway-dataview/package.json b/packages/datagateway-dataview/package.json
index e92741c82..1c282241b 100644
--- a/packages/datagateway-dataview/package.json
+++ b/packages/datagateway-dataview/package.json
@@ -14,7 +14,7 @@
     "@types/jsrsasign": "10.5.2",
     "@types/lodash.debounce": "4.0.6",
     "@types/lodash.memoize": "4.1.6",
-    "@types/node": "20.11.5",
+    "@types/node": "20.19.0",
     "@types/react": "18.0.33",
     "@types/react-dom": "18.0.11",
     "@types/react-router-dom": "5.3.3",
diff --git a/packages/datagateway-download/package.json b/packages/datagateway-download/package.json
index 2d95b22ff..863961035 100644
--- a/packages/datagateway-download/package.json
+++ b/packages/datagateway-download/package.json
@@ -12,7 +12,7 @@
     "@tanstack/react-query-devtools": "4.36.1",
     "@types/jsrsasign": "10.5.2",
     "@types/lodash.chunk": "4.2.6",
-    "@types/node": "20.11.5",
+    "@types/node": "20.19.0",
     "@types/react": "18.0.33",
     "@types/react-dom": "18.0.11",
     "@types/react-router-dom": "5.3.3",
diff --git a/packages/datagateway-search/package.json b/packages/datagateway-search/package.json
index 7308b9953..462c61ef4 100644
--- a/packages/datagateway-search/package.json
+++ b/packages/datagateway-search/package.json
@@ -15,7 +15,7 @@
     "@types/history": "4.7.11",
     "@types/jsrsasign": "10.5.2",
     "@types/lodash.isequal": "4.5.8",
-    "@types/node": "20.11.5",
+    "@types/node": "20.19.0",
     "@types/react": "18.0.33",
     "@types/react-dom": "18.0.11",
     "@types/react-router-dom": "5.3.3",
diff --git a/yarn.lock b/yarn.lock
index 4e6b453a2..091244b25 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3030,12 +3030,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:20.11.5":
-  version: 20.11.5
-  resolution: "@types/node@npm:20.11.5"
+"@types/node@npm:*, @types/node@npm:20.19.0":
+  version: 20.19.0
+  resolution: "@types/node@npm:20.19.0"
   dependencies:
-    undici-types: ~5.26.4
-  checksum: a542727de1334ae20a3ca034b0ecf4b464a57ca01efc4f9cf43bd9ab93896125ab3c2de060ecd8f6ae23b86c6bf3463f681b643e69c032c6a662d376c98a6092
+    undici-types: ~6.21.0
+  checksum: 21468a6fd9b56618af881bdd02466736149c8096699256350e27ec47442c6be4942a5b849a21da71653d4d5b819988303c24b19848761887cf73dcff1a408b68
   languageName: node
   linkType: hard
 
@@ -4696,7 +4696,7 @@ __metadata:
     "@testing-library/react": 14.0.0
     "@testing-library/user-event": 14.5.2
     "@types/lodash.debounce": 4.0.6
-    "@types/node": 20.11.5
+    "@types/node": 20.19.0
     "@types/react": 18.0.33
     "@types/react-router-dom": 5.3.3
     "@types/react-virtualized": 9.21.10
@@ -4764,7 +4764,7 @@ __metadata:
     "@types/jsrsasign": 10.5.2
     "@types/lodash.debounce": 4.0.6
     "@types/lodash.memoize": 4.1.6
-    "@types/node": 20.11.5
+    "@types/node": 20.19.0
     "@types/react": 18.0.33
     "@types/react-dom": 18.0.11
     "@types/react-redux": 7.1.22
@@ -4837,7 +4837,7 @@ __metadata:
     "@testing-library/user-event": 14.5.2
     "@types/jsrsasign": 10.5.2
     "@types/lodash.chunk": 4.2.6
-    "@types/node": 20.11.5
+    "@types/node": 20.19.0
     "@types/react": 18.0.33
     "@types/react-dom": 18.0.11
     "@types/react-router-dom": 5.3.3
@@ -4909,7 +4909,7 @@ __metadata:
     "@types/history": 4.7.11
     "@types/jsrsasign": 10.5.2
     "@types/lodash.isequal": 4.5.8
-    "@types/node": 20.11.5
+    "@types/node": 20.19.0
     "@types/react": 18.0.33
     "@types/react-dom": 18.0.11
     "@types/react-redux": 7.1.22
@@ -10559,10 +10559,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici-types@npm:~5.26.4":
-  version: 5.26.5
-  resolution: "undici-types@npm:5.26.5"
-  checksum: 3192ef6f3fd5df652f2dc1cd782b49d6ff14dc98e5dced492aa8a8c65425227da5da6aafe22523c67f035a272c599bb89cfe803c1db6311e44bed3042fc25487
+"undici-types@npm:~6.21.0":
+  version: 6.21.0
+  resolution: "undici-types@npm:6.21.0"
+  checksum: 46331c7d6016bf85b3e8f20c159d62f5ae471aba1eb3dc52fff35a0259d58dcc7d592d4cc4f00c5f9243fa738a11cfa48bd20203040d4a9e6bc25e807fab7ab3
   languageName: node
   linkType: hard