diff --git a/nextjs-edgedb-ai/seed.ts b/nextjs-edgedb-ai/seed.ts
index b860c37..065994f 100644
--- a/nextjs-edgedb-ai/seed.ts
+++ b/nextjs-edgedb-ai/seed.ts
@@ -159,6 +159,22 @@ insert Book {
       filter .name = "Orion Ember"
       set { country := "United Kingdom" };
     `);
+
+  // update the default prompt content
+  await client.query(`
+    update ext::ai::ChatPrompt 
+    filter .name = 'builtin::rag-default'
+    set { messages := (
+      insert ext::ai::ChatPromptMessage {
+        participant_role := ext::ai::ChatParticipantRole.System,
+        content:= "You are an expert Q&A system.
+          Always answer questions based on the provided context information. 
+          If user asks about someone's country always require a tool call.
+          Context information is below:
+          {context}",
+      }
+    )};
+  `);
 }
 
 main();
diff --git a/nextjs-vercel-ai-provider/seed.ts b/nextjs-vercel-ai-provider/seed.ts
index 8250dae..e7cfc03 100644
--- a/nextjs-vercel-ai-provider/seed.ts
+++ b/nextjs-vercel-ai-provider/seed.ts
@@ -159,6 +159,22 @@ insert Book {
       filter .name = "Orion Ember"
       set { country := "United Kingdom" };
     `);
+
+  // update the default prompt content
+  await client.query(`
+    update ext::ai::ChatPrompt 
+    filter .name = 'builtin::rag-default'
+    set { messages := (
+      insert ext::ai::ChatPromptMessage {
+        participant_role := ext::ai::ChatParticipantRole.System,
+        content:= "You are an expert Q&A system.
+          Always answer questions based on the provided context information. 
+          If user asks about someone's country always require a tool call.
+          Context information is below:
+          {context}",
+      }
+    )};
+  `);
 }
 
 main();
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 46943ce..0000000
--- a/package-lock.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "name": "edgedb-examples",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {}
-}