diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 766ef5fe2..6b08d2071 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -26,7 +26,7 @@ jobs:
         sudo sysctl -w vm.max_map_count=262144
     - uses: elastic/elastic-github-actions/elasticsearch@master
       with:
-        stack-version: 8.16.0-SNAPSHOT
+        stack-version: 9.0.0-SNAPSHOT
         security-enabled: false
     - uses: ruby/setup-ruby@v1
       with:
@@ -40,4 +40,4 @@ jobs:
     - name: elasticsearch
       run: cd elasticsearch && bundle exec rake test:all
     - name: elasticsearch-api
-      run: rake es:download_artifacts[8.16.0-SNAPSHOT] && cd elasticsearch-api && bundle exec rake test:spec test:platinum:unit
+      run: rake es:download_artifacts[9.0.0-SNAPSHOT] && cd elasticsearch-api && bundle exec rake test:spec test:platinum:unit
diff --git a/.github/workflows/otel.yml b/.github/workflows/otel.yml
index 56d6b9a5f..238305e75 100644
--- a/.github/workflows/otel.yml
+++ b/.github/workflows/otel.yml
@@ -28,7 +28,7 @@ jobs:
           sudo sysctl -w vm.max_map_count=262144
       - uses: elastic/elastic-github-actions/elasticsearch@master
         with:
-          stack-version: 8.16.0-SNAPSHOT
+          stack-version: 9.0.0-SNAPSHOT
           security-enabled: false
       - uses: ruby/setup-ruby@v1
         with:
@@ -42,4 +42,4 @@ jobs:
       - name: elasticsearch
         run: cd elasticsearch && bundle exec rake test:all
       - name: elasticsearch-api
-        run: rake es:download_artifacts[8.16.0-SNAPSHOT] && cd elasticsearch-api && bundle exec rake test:spec test:platinum:unit
+        run: rake es:download_artifacts[9.0.0-SNAPSHOT] && cd elasticsearch-api && bundle exec rake test:spec test:platinum:unit