diff --git a/frontends/main/next.config.js b/frontends/main/next.config.js
index 11658fe0cc..b068b3c220 100644
--- a/frontends/main/next.config.js
+++ b/frontends/main/next.config.js
@@ -57,6 +57,46 @@ const nextConfig = {
     ]
   },
 
+  async headers() {
+    return [
+      /* This is intended to target the base HTML responses. Some are dynamically rendered,
+       * so Next.js instructs no-cache, however we are currently serving public content that
+       * is cacheable. Excludes everything with a file extension so we're matching only on routes.
+       */
+      {
+        source: "/((?!.*\\.[a-zA-Z0-9]{2,4}$).*)",
+        headers: [
+          {
+            key: "Cache-Control",
+            value: "s-maxage=120",
+          },
+        ],
+      },
+
+      /* Images rendered with the Next.js Image component have the cache header
+       * set on them, but CSS background images do not.
+       */
+      {
+        source: "/images/(.*)",
+        headers: [
+          {
+            key: "Cache-Control",
+            value: "s-maxage=600",
+          },
+        ],
+      },
+      {
+        source: "/favicon.ico",
+        headers: [
+          {
+            key: "Cache-Control",
+            value: "s-maxage=31536000",
+          },
+        ],
+      },
+    ]
+  },
+
   images: {
     remotePatterns: [
       {
diff --git a/frontends/main/package.json b/frontends/main/package.json
index 063694aba1..bf9db484e3 100644
--- a/frontends/main/package.json
+++ b/frontends/main/package.json
@@ -18,7 +18,7 @@
     "api": "workspace:*",
     "formik": "^2.4.6",
     "lodash": "^4.17.21",
-    "next": "^14.2.7",
+    "next": "^14.2.15",
     "ol-ckeditor": "0.0.0",
     "ol-components": "0.0.0",
     "ol-utilities": "0.0.0",
diff --git a/yarn.lock b/yarn.lock
index d467ecc53b..59eafe4da4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13690,7 +13690,7 @@ __metadata:
     jest: "npm:^29.7.0"
     jest-extended: "npm:^4.0.2"
     lodash: "npm:^4.17.21"
-    next: "npm:^14.2.7"
+    next: "npm:^14.2.15"
     ol-ckeditor: "npm:0.0.0"
     ol-components: "npm:0.0.0"
     ol-test-utilities: "npm:0.0.0"
@@ -15143,7 +15143,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"next@npm:^14.2.7":
+"next@npm:^14.2.15, next@npm:^14.2.7":
   version: 14.2.15
   resolution: "next@npm:14.2.15"
   dependencies: