diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index fc584e47e..217b1e5fa 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -7,7 +7,7 @@ steps:
     env:
       PHP_VERSION: "{{ matrix.php }}"
       TEST_SUITE: "{{ matrix.suite }}"
-      STACK_VERSION: 9.5.0-SNAPSHOT
+      STACK_VERSION: 9.6.0-SNAPSHOT
       BRANCH_CLIENT_TESTS: main
     matrix:
       setup:
diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index f33bf3871..346b4e4ca 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         php-version: [8.1, 8.2, 8.3, 8.4, 8.5]
         os: [ubuntu-latest]
-        es-version: [9.5.0-SNAPSHOT]
+        es-version: [9.6.0-SNAPSHOT]
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3b35beeb6..f1293966f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         php-version: [8.1, 8.2, 8.3, 8.4, 8.5]
         os: [ubuntu-latest]
-        es-version: [9.5.0-SNAPSHOT]
+        es-version: [9.6.0-SNAPSHOT]
 
     steps:
     - name: Checkout