diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index fef3dad83..beb0872e0 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -30,11 +30,11 @@ steps:
           skip: true
         # Compatibility tests for 8.x:
         - with:
-            stack_version: "8.14.0-SNAPSHOT"
+            stack_version: "8.16.0-SNAPSHOT"
             suite: "free"
             ruby: "3.3"
         - with:
-            stack_version: "8.14.0-SNAPSHOT"
+            stack_version: "8.16.0-SNAPSHOT"
             suite: "platinum"
             ruby: "3.3"
     command: ./.buildkite/run-tests.sh
diff --git a/.github/workflows/7.17-8.x.yml b/.github/workflows/7.17-8.x.yml
index 519c2da13..afd81198d 100644
--- a/.github/workflows/7.17-8.x.yml
+++ b/.github/workflows/7.17-8.x.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '3.2' ]
+        ruby: ['3.3']
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -26,7 +26,7 @@ jobs:
         sudo sysctl -w vm.max_map_count=262144
     - uses: elastic/elastic-github-actions/elasticsearch@master
       with:
-        stack-version: 8.14.0-SNAPSHOT
+        stack-version: 8.16.0-SNAPSHOT
         security-enabled: false
     - uses: ruby/setup-ruby@v1
       with: