diff --git a/packages/gitbook/openNext/customWorkers/doWrangler.jsonc b/packages/gitbook/openNext/customWorkers/doWrangler.jsonc
index 23caf8a03..608c0de0c 100644
--- a/packages/gitbook/openNext/customWorkers/doWrangler.jsonc
+++ b/packages/gitbook/openNext/customWorkers/doWrangler.jsonc
@@ -98,6 +98,16 @@
                     "new_sqlite_classes": ["DOQueueHandler", "DOShardedTagCache", "R2WriteBuffer"],
                 },
             ],
+            "observability": {
+                "traces": {
+                    "enabled": true,
+                    "head_sampling_rate": 1,
+                },
+                "logs": {
+                    "enabled": true,
+                    "head_sampling_rate": 1,
+                },
+            },
         },
         "staging": {
             "vars": {
diff --git a/packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc b/packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc
index 6be3660bb..5323b8a39 100644
--- a/packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc
+++ b/packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc
@@ -92,6 +92,16 @@
                     },
                 ],
             },
+            "observability": {
+                "traces": {
+                    "enabled": true,
+                    "head_sampling_rate": 1,
+                },
+                "logs": {
+                    "enabled": true,
+                    "head_sampling_rate": 1,
+                },
+            },
         },
         "staging": {
             "vars": {