diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 04430dcb8..0940b3a10 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: 9.3.7-SNAPSHOT
+    #   STACK_VERSION: 9.3.8-SNAPSHOT
     #   BRANCH_CLIENT_TESTS: 9.2
     # matrix:
     #   setup:
diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index 0d7cbb90a..15c17aa55 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: [9.3.7-SNAPSHOT]
+        es-version: [9.3.8-SNAPSHOT]
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6731dcf08..6826281a1 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: [9.3.7-SNAPSHOT]
+        es-version: [9.3.8-SNAPSHOT]
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/yaml_test.yml b/.github/workflows/yaml_test.yml
index ac248d361..bf96d4d28 100644
--- a/.github/workflows/yaml_test.yml
+++ b/.github/workflows/yaml_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: [9.3.7-SNAPSHOT]
+        es-version: [9.3.8-SNAPSHOT]
         test-suite: [stack]
         branch-client-tests: ["9.3"]