diff --git a/lib/cjs/generated/rum.d.ts b/lib/cjs/generated/rum.d.ts
index 4cdb48d..e0b3343 100644
--- a/lib/cjs/generated/rum.d.ts
+++ b/lib/cjs/generated/rum.d.ts
@@ -651,6 +651,10 @@ export declare type RumResourceEvent = CommonProperties & ActionChildProperties
          * Network protocol used to fetch the resource (e.g., 'http/1.1', 'h2')
          */
         readonly protocol?: string;
+        /**
+         * Content type of the fetched resource
+         */
+        readonly content_type?: string;
         /**
          * The provider for this resource
          */
diff --git a/lib/esm/generated/rum.d.ts b/lib/esm/generated/rum.d.ts
index 4cdb48d..e0b3343 100644
--- a/lib/esm/generated/rum.d.ts
+++ b/lib/esm/generated/rum.d.ts
@@ -651,6 +651,10 @@ export declare type RumResourceEvent = CommonProperties & ActionChildProperties
          * Network protocol used to fetch the resource (e.g., 'http/1.1', 'h2')
          */
         readonly protocol?: string;
+        /**
+         * Content type of the fetched resource
+         */
+        readonly content_type?: string;
         /**
          * The provider for this resource
          */
diff --git a/samples/rum-events/resource.json b/samples/rum-events/resource.json
index ddf0d04..f15346d 100644
--- a/samples/rum-events/resource.json
+++ b/samples/rum-events/resource.json
@@ -34,7 +34,8 @@
       "duration": 157090000,
       "start": 88945000
     },
-    "protocol": "HTTP/1.1"
+    "protocol": "HTTP/1.1",
+    "content_type": "application/json"
   },
   "action": {
     "id": "ae3a5d82-cdd1-468d-9bc9-3aa9e54d953c"
diff --git a/schemas/rum/resource-schema.json b/schemas/rum/resource-schema.json
index 295ca31..8863ccf 100644
--- a/schemas/rum/resource-schema.json
+++ b/schemas/rum/resource-schema.json
@@ -218,6 +218,11 @@
               "description": "Network protocol used to fetch the resource (e.g., 'http/1.1', 'h2')",
               "readOnly": true
             },
+            "content_type": {
+              "type": "string",
+              "description": "Content type of the fetched resource",
+              "readOnly": true
+            },
             "provider": {
               "type": "object",
               "description": "The provider for this resource",