diff --git a/bun.lock b/bun.lock
index b1d72049..dd16c19b 100644
--- a/bun.lock
+++ b/bun.lock
@@ -10,8 +10,8 @@
         "@types/node": "^25.5.0",
         "@types/rails__request.js": "^0.0.1",
         "accessible-autocomplete": "^3.0.1",
-        "ccs-frontend": "^2.5.0",
-        "govuk-frontend": "^5.14.0",
+        "ccs-frontend": "^3.1.0",
+        "govuk-frontend": "^6.1.0",
         "jquery": "^4.0.0",
         "js-cookie": "^3.0.5",
         "sass": "^1.98.0",
@@ -131,7 +131,7 @@
 
     "braces": ["braces@3.0.3", "", { "dependencies": { "fill-range": "^7.1.1" } }, "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA=="],
 
-    "ccs-frontend": ["ccs-frontend@2.5.0", "", { "peerDependencies": { "govuk-frontend": "^5.14.0", "jquery": "^4.x" } }, "sha512-RlHbYbuzkbEgAtWaLvptMGxKIJrxvjg6VtESLmAAjeW8NxxsErmQudTGrnX1ATsn5UdfH9/sEkmChpjJRikHpQ=="],
+    "ccs-frontend": ["ccs-frontend@3.1.0", "", { "peerDependencies": { "govuk-frontend": "^6.1.0", "jquery": "^4.x" } }, "sha512-5O/QVDt06qB6goQ1lXvI532WNRChxvFDUDT98oKcVQ6nHMsokAk2TYENmUlmTePUPo4tAqGx8OvyEIuR0Go02g=="],
 
     "chokidar": ["chokidar@4.0.3", "", { "dependencies": { "readdirp": "^4.0.1" } }, "sha512-Qgzu8kfBvo+cA4962jnP1KkS6Dop5NS6g7R5LFYJr4b8Ub94PPQXUksCw9PvXoeXPRRddRNC5C1JQUR2SMGtnA=="],
 
@@ -181,7 +181,7 @@
 
     "glob-parent": ["glob-parent@6.0.2", "", { "dependencies": { "is-glob": "^4.0.3" } }, "sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A=="],
 
-    "govuk-frontend": ["govuk-frontend@5.14.0", "", {}, "sha512-MgfaXswIM6KpXS2T5gltEnzgVLgfM3UoE9+rYkhBiR0suaJ8Let31VZXQZqz9QhiPDbv28fW1nRjIyLujfZIBA=="],
+    "govuk-frontend": ["govuk-frontend@6.1.0", "", {}, "sha512-sqivexZFa82LiDIDVMItsUlqEXE/wEUWWBqzEoxHvUFLBH7bY0C8lVrj1qsDThSnj5JEUMS7isBAbKnfQ5Qp6g=="],
 
     "ignore": ["ignore@5.3.2", "", {}, "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g=="],
 
diff --git a/package.json b/package.json
index b5995753..94b3ef7e 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,8 @@
     "@types/node": "^25.5.0",
     "@types/rails__request.js": "^0.0.1",
     "accessible-autocomplete": "^3.0.1",
-    "ccs-frontend": "^2.5.0",
-    "govuk-frontend": "^5.14.0",
+    "ccs-frontend": "^3.1.0",
+    "govuk-frontend": "^6.1.0",
     "jquery": "^4.0.0",
     "js-cookie": "^3.0.5",
     "sass": "^1.98.0",