diff --git a/src/assets/rules.json b/src/assets/rules.json
new file mode 100644
index 0000000..6c0c37f
--- /dev/null
+++ b/src/assets/rules.json
@@ -0,0 +1,20 @@
+[
+  {
+    "id": 1,
+    "priority": 1,
+    "action": {
+      "type": "modifyHeaders",
+      "requestHeaders": [
+        {
+          "header": "Origin",
+          "operation": "set",
+          "value": "https://app.screenlyapp.com"
+        }
+      ]
+    },
+    "condition": {
+      "urlFilter": "https://api.screenlyapp.com/api/*",
+      "resourceTypes": ["xmlhttprequest"]
+    }
+  }
+]
diff --git a/src/manifest-chrome.json b/src/manifest-chrome.json
index d3cd237..2479907 100644
--- a/src/manifest-chrome.json
+++ b/src/manifest-chrome.json
@@ -12,8 +12,18 @@
     "activeTab",
     "storage",
     "scripting",
-    "cookies"
+    "cookies",
+    "declarativeNetRequest"
   ],
+  "declarative_net_request": {
+    "rule_resources": [
+      {
+        "id": "screenly_api_rules",
+        "enabled": true,
+        "path": "assets/rules.json"
+      }
+    ]
+  },
   "host_permissions": [
     "http://*/*",
     "https://*/*"
diff --git a/src/manifest-firefox.json b/src/manifest-firefox.json
index 09eae82..664e344 100644
--- a/src/manifest-firefox.json
+++ b/src/manifest-firefox.json
@@ -12,8 +12,18 @@
     "activeTab",
     "storage",
     "scripting",
-    "cookies"
+    "cookies",
+    "declarativeNetRequest"
   ],
+  "declarative_net_request": {
+    "rule_resources": [
+      {
+        "id": "screenly_api_rules",
+        "enabled": true,
+        "path": "assets/rules.json"
+      }
+    ]
+  },
   "host_permissions": [
     "http://*/*",
     "https://*/*"
diff --git a/webpack.common.js b/webpack.common.js
index 6e947b2..f1434fa 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -69,6 +69,14 @@ module.exports = {
         },
       ],
     }),
+    new CopyWebpackPlugin({
+      patterns: [
+        {
+          from: "src/assets/rules.json",
+          to: "assets/rules.json",
+        },
+      ],
+    }),
     new HtmlWebpackPlugin({
       filename: 'popup.html',
       template: './src/popup.html',