diff --git a/genai-function-calling/openai-agents/cassettes/test_main.yaml b/genai-function-calling/openai-agents/cassettes/test_main.yaml
index 7ad9ecc..ed6e1e3 100644
--- a/genai-function-calling/openai-agents/cassettes/test_main.yaml
+++ b/genai-function-calling/openai-agents/cassettes/test_main.yaml
@@ -182,7 +182,7 @@ interactions:
       user-agent:
       - python-httpx/0.28.1
     method: GET
-    uri: https://artifacts.elastic.co/releases/stack.json
+    uri: https://ela.st/past-stack-releases
   response:
     body:
       string: |-
@@ -2441,7 +2441,7 @@ interactions:
               "end_of_maintenance_date": "2027-01-15",
               "is_retired": false,
               "retired_date": null,
-              "manifest": "https://artifacts.elastic.co/releases/stack.json"
+              "manifest": "https://ela.st/past-stack-releases"
             },
             {
               "version": "8.19.0",
diff --git a/genai-function-calling/openai-agents/main.py b/genai-function-calling/openai-agents/main.py
index e07abcb..53e2671 100644
--- a/genai-function-calling/openai-agents/main.py
+++ b/genai-function-calling/openai-agents/main.py
@@ -23,7 +23,7 @@ async def get_latest_elasticsearch_version(major_version: int = 0) -> str:
         major_version: Major version to filter by (e.g. 7, 8). Defaults to latest
     """
     async with AsyncClient() as client:
-        response = await client.get("https://artifacts.elastic.co/releases/stack.json")
+        response = await client.get("https://ela.st/past-stack-releases")
     response.raise_for_status()
     releases = response.json()["releases"]
 
diff --git a/genai-function-calling/semantic-kernel-dotnet/Program.cs b/genai-function-calling/semantic-kernel-dotnet/Program.cs
index 889fb02..696c2bb 100644
--- a/genai-function-calling/semantic-kernel-dotnet/Program.cs
+++ b/genai-function-calling/semantic-kernel-dotnet/Program.cs
@@ -36,7 +36,7 @@ public string GetLatestVersion(
         [Description("Major version to filter by (e.g. 8, 9). Defaults to latest")] int? majorVersion = null)
     {
         using var httpClient = new HttpClient();
-        var response = httpClient.GetAsync("https://artifacts.elastic.co/releases/stack.json").Result;
+        var response = httpClient.GetAsync("https://ela.st/past-stack-releases").Result;
         var json = response.Content.ReadAsStringAsync().Result;
         var releaseData = JsonSerializer.Deserialize<ReleasesResponse>(json);
 
diff --git a/genai-function-calling/spring-ai/src/main/java/example/ElasticsearchTools.java b/genai-function-calling/spring-ai/src/main/java/example/ElasticsearchTools.java
index 4115baa..be7565b 100644
--- a/genai-function-calling/spring-ai/src/main/java/example/ElasticsearchTools.java
+++ b/genai-function-calling/spring-ai/src/main/java/example/ElasticsearchTools.java
@@ -21,7 +21,7 @@ record ReleasesResponse(List<Release> releases) {
 
     @Tool(description = "Returns the latest GA version of Elasticsearch in \"X.Y.Z\" format.")
     String getLatestElasticsearchVersion(@ToolParam(description = "Major version to filter by (e.g. 8, 9). Defaults to latest") @Nullable Integer majorVersion) {
-        ReleasesResponse response = WebClient.create().get().uri("https://artifacts.elastic.co/releases/stack.json")
+        ReleasesResponse response = WebClient.create().get().uri("https://ela.st/past-stack-releases")
                 .exchangeToMono(res -> res.mutate()
                         // Fix incorrect content-type from artifacts.elastic.co
                         .headers(hdrs -> hdrs.setContentType(MediaType.APPLICATION_JSON))
diff --git a/genai-function-calling/vercel-ai/index.js b/genai-function-calling/vercel-ai/index.js
index 0d551aa..fac915e 100644
--- a/genai-function-calling/vercel-ai/index.js
+++ b/genai-function-calling/vercel-ai/index.js
@@ -21,7 +21,7 @@ const getLatestElasticsearchVersion = tool({
         majorVersion: z.number().optional().describe('Major version to filter by (e.g. 8, 9). Defaults to latest'),
     }),
     execute: async ({majorVersion}) => {
-        const response = await fetch('https://artifacts.elastic.co/releases/stack.json');
+        const response = await fetch('https://ela.st/past-stack-releases');
         const data = await response.json();
         const latest = data.releases
             // Filter out non-release versions (e.g. -rc1) and remove " GA" suffix