diff --git a/default.json b/default.json
index 2f68b40..488627c 100644
--- a/default.json
+++ b/default.json
@@ -45,6 +45,13 @@
 
       "enabled": false
     },
+    {
+      "matchUpdateTypes": ["major"],
+      "matchPackageNames": ["@koa/cors"],
+      "allowedVersions": "< 6",
+
+      "enabled": true
+    },
     {
       "matchManagers": ["npm"],
       "matchPackageNames": ["eslint"],
diff --git a/non-critical.json b/non-critical.json
index e19b328..3e6f181 100644
--- a/non-critical.json
+++ b/non-critical.json
@@ -21,6 +21,13 @@
       "matchUpdateTypes": ["major"],
       "enabled": false
     },
+    {
+      "matchUpdateTypes": ["major"],
+      "matchPackageNames": ["@koa/cors"],
+      "allowedVersions": "< 6",
+
+      "enabled": true
+    },
     {
       "matchManagers": ["npm"],
       "matchPackageNames": ["aws-sdk-mock"],
diff --git a/third-party-major.json b/third-party-major.json
index e7903a1..dc46aea 100644
--- a/third-party-major.json
+++ b/third-party-major.json
@@ -57,6 +57,13 @@
 
       "enabled": false
     },
+    {
+      "matchUpdateTypes": ["major"],
+      "matchPackageNames": ["@koa/cors"],
+      "allowedVersions": "< 6",
+
+      "enabled": true
+    },
     {
       "excludePackagePatterns": ["^seek-jobs/", "^seek-oss/"],
       "matchManagers": ["buildkite"],