diff --git a/.pnp.cjs b/.pnp.cjs
index 28d3e5dce..019cb3194 100644
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -66,7 +66,7 @@ const RAW_RUNTIME_STATE =
           ["globals", "npm:17.4.0"],\
           ["govuk-frontend", "npm:5.14.0"],\
           ["helmet", "npm:8.1.0"],\
-          ["https-proxy-agent", "npm:5.0.1"],\
+          ["https-proxy-agent", "npm:8.0.0"],\
           ["i18next", "virtual:4988fc10d27710cdb3e57dc0e556fd1d3b78e0a4d35d5725b1ddaa965a40cf5f6ea242a6d7b282a5264da04a4e9f3a153d26f33d87257cd2a848cb2105ced64c#npm:25.10.9"],\
           ["immutable", "npm:5.1.4"],\
           ["ioredis", "npm:5.10.0"],\
@@ -5517,18 +5517,17 @@ const RAW_RUNTIME_STATE =
       }]\
     ]],\
     ["agent-base", [\
-      ["npm:6.0.2", {\
-        "packageLocation": "./.yarn/cache/agent-base-npm-6.0.2-428f325a93-21fb903e09.zip/node_modules/agent-base/",\
+      ["npm:7.1.4", {\
+        "packageLocation": "./.yarn/cache/agent-base-npm-7.1.4-cb8b4604d5-79bef16724.zip/node_modules/agent-base/",\
         "packageDependencies": [\
-          ["agent-base", "npm:6.0.2"],\
-          ["debug", "virtual:85d5d916b6a745b2f8de0d4b1704b7084bdd4f7573c1ef5d1c877f2c866045a9b29fe2bc752d1b73e531c378a0518dd3f9fa187b31427fb9bacbe34b14715dde#npm:4.4.3"]\
+          ["agent-base", "npm:7.1.4"]\
         ],\
         "linkType": "HARD"\
       }],\
-      ["npm:7.1.4", {\
-        "packageLocation": "./.yarn/cache/agent-base-npm-7.1.4-cb8b4604d5-79bef16724.zip/node_modules/agent-base/",\
+      ["npm:8.0.0", {\
+        "packageLocation": "./.yarn/cache/agent-base-npm-8.0.0-70740e093c-a660ae60d3.zip/node_modules/agent-base/",\
         "packageDependencies": [\
-          ["agent-base", "npm:7.1.4"]\
+          ["agent-base", "npm:8.0.0"]\
         ],\
         "linkType": "HARD"\
       }]\
@@ -10722,21 +10721,21 @@ const RAW_RUNTIME_STATE =
       }]\
     ]],\
     ["https-proxy-agent", [\
-      ["npm:5.0.1", {\
-        "packageLocation": "./.yarn/cache/https-proxy-agent-npm-5.0.1-42d65f358e-f0dce7bdca.zip/node_modules/https-proxy-agent/",\
+      ["npm:7.0.6", {\
+        "packageLocation": "./.yarn/cache/https-proxy-agent-npm-7.0.6-27a95c2690-784b628cbd.zip/node_modules/https-proxy-agent/",\
         "packageDependencies": [\
-          ["agent-base", "npm:6.0.2"],\
+          ["agent-base", "npm:7.1.4"],\
           ["debug", "virtual:85d5d916b6a745b2f8de0d4b1704b7084bdd4f7573c1ef5d1c877f2c866045a9b29fe2bc752d1b73e531c378a0518dd3f9fa187b31427fb9bacbe34b14715dde#npm:4.4.3"],\
-          ["https-proxy-agent", "npm:5.0.1"]\
+          ["https-proxy-agent", "npm:7.0.6"]\
         ],\
         "linkType": "HARD"\
       }],\
-      ["npm:7.0.6", {\
-        "packageLocation": "./.yarn/cache/https-proxy-agent-npm-7.0.6-27a95c2690-784b628cbd.zip/node_modules/https-proxy-agent/",\
+      ["npm:8.0.0", {\
+        "packageLocation": "./.yarn/cache/https-proxy-agent-npm-8.0.0-08a01c88bd-0de830cb33.zip/node_modules/https-proxy-agent/",\
         "packageDependencies": [\
-          ["agent-base", "npm:7.1.4"],\
+          ["agent-base", "npm:8.0.0"],\
           ["debug", "virtual:85d5d916b6a745b2f8de0d4b1704b7084bdd4f7573c1ef5d1c877f2c866045a9b29fe2bc752d1b73e531c378a0518dd3f9fa187b31427fb9bacbe34b14715dde#npm:4.4.3"],\
-          ["https-proxy-agent", "npm:7.0.6"]\
+          ["https-proxy-agent", "npm:8.0.0"]\
         ],\
         "linkType": "HARD"\
       }]\
@@ -14999,7 +14998,7 @@ const RAW_RUNTIME_STATE =
           ["globals", "npm:17.4.0"],\
           ["govuk-frontend", "npm:5.14.0"],\
           ["helmet", "npm:8.1.0"],\
-          ["https-proxy-agent", "npm:5.0.1"],\
+          ["https-proxy-agent", "npm:8.0.0"],\
           ["i18next", "virtual:4988fc10d27710cdb3e57dc0e556fd1d3b78e0a4d35d5725b1ddaa965a40cf5f6ea242a6d7b282a5264da04a4e9f3a153d26f33d87257cd2a848cb2105ced64c#npm:25.10.9"],\
           ["immutable", "npm:5.1.4"],\
           ["ioredis", "npm:5.10.0"],\
diff --git a/package.json b/package.json
index 1d8dcd19a..d1c3b1ce7 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "git-rev-sync": "^3.0.2",
     "govuk-frontend": "^5.4.0",
     "helmet": "^8.0.0",
-    "https-proxy-agent": "^5.0.1",
+    "https-proxy-agent": "^8.0.0",
     "i18next": "^25.0.0",
     "ioredis": "^5.3.2",
     "js-yaml": "^4.1.0",
diff --git a/yarn.lock b/yarn.lock
index 3ba9cacc2..3d5030c38 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3959,12 +3959,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"agent-base@npm:6":
-  version: 6.0.2
-  resolution: "agent-base@npm:6.0.2"
-  dependencies:
-    debug: "npm:4"
-  checksum: 10/21fb903e0917e5cb16591b4d0ef6a028a54b83ac30cd1fca58dece3d4e0990512a8723f9f83130d88a41e2af8b1f7be1386fda3ea2d181bb1a62155e75e95e23
+"agent-base@npm:8.0.0":
+  version: 8.0.0
+  resolution: "agent-base@npm:8.0.0"
+  checksum: 10/a660ae60d389c4ce0f5a178efd5e6ebeefeddf0f6defbb105c638056ec0ebd3828d00d029cf5b26e3ce52d09c393735bf9c187ed1000a0be2c6cf5d95ac15bff
   languageName: node
   linkType: hard
 
@@ -8509,16 +8507,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"https-proxy-agent@npm:^5.0.1":
-  version: 5.0.1
-  resolution: "https-proxy-agent@npm:5.0.1"
-  dependencies:
-    agent-base: "npm:6"
-    debug: "npm:4"
-  checksum: 10/f0dce7bdcac5e8eaa0be3c7368bb8836ed010fb5b6349ffb412b172a203efe8f807d9a6681319105ea1b6901e1972c7b5ea899672a7b9aad58309f766dcbe0df
-  languageName: node
-  linkType: hard
-
 "https-proxy-agent@npm:^7.0.0, https-proxy-agent@npm:^7.0.1, https-proxy-agent@npm:^7.0.2, https-proxy-agent@npm:^7.0.5, https-proxy-agent@npm:^7.0.6":
   version: 7.0.6
   resolution: "https-proxy-agent@npm:7.0.6"
@@ -8529,6 +8517,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"https-proxy-agent@npm:^8.0.0":
+  version: 8.0.0
+  resolution: "https-proxy-agent@npm:8.0.0"
+  dependencies:
+    agent-base: "npm:8.0.0"
+    debug: "npm:^4.3.4"
+  checksum: 10/0de830cb33a47d521783479ef6d1ff256c7bfcee7109bbda279c66bb1ba220ef025a2f25b73e187d9cbf5691a2dd9336a779b389f9fdd29ad772f1dbc51aaaf0
+  languageName: node
+  linkType: hard
+
 "human-signals@npm:^2.1.0":
   version: 2.1.0
   resolution: "human-signals@npm:2.1.0"
@@ -12343,7 +12341,7 @@ __metadata:
     globals: "npm:^17.0.0"
     govuk-frontend: "npm:^5.4.0"
     helmet: "npm:^8.0.0"
-    https-proxy-agent: "npm:^5.0.1"
+    https-proxy-agent: "npm:^8.0.0"
     i18next: "npm:^25.0.0"
     immutable: "npm:5.1.4"
     ioredis: "npm:^5.3.2"