diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index b917923a08..f92f91aa23 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -29,11 +29,11 @@ steps:
           skip: true
         # Compatibility tests for 8.x:
         - with:
-            stack_version: "8.10-SNAPSHOT"
+            stack_version: "8.12-SNAPSHOT"
             suite: "free"
             ruby: "3.2"
         - with:
-            stack_version: "8.10-SNAPSHOT"
+            stack_version: "8.12-SNAPSHOT"
             suite: "platinum"
             ruby: "3.2"
     command: ./.buildkite/run-tests.sh
diff --git a/.github/workflows/7.17-8.x.yml b/.github/workflows/7.17-8.x.yml
index b6fa9ee5d4..dd1d995f14 100644
--- a/.github/workflows/7.17-8.x.yml
+++ b/.github/workflows/7.17-8.x.yml
@@ -26,7 +26,7 @@ jobs:
         sudo sysctl -w vm.max_map_count=262144
     - uses: elastic/elastic-github-actions/elasticsearch@master
       with:
-        stack-version: 8.9-SNAPSHOT
+        stack-version: 8.12-SNAPSHOT
         security-enabled: false
     - uses: ruby/setup-ruby@v1
       with: