diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 128c2c338..c492ed16c 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -14,6 +14,7 @@ steps:
         suite:
           - "platinum"
         php:
+          - "8.5-rc-cli"
           - "8.4-cli"
           - "8.3-cli"
           - "8.2-cli"
diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index b91994068..36f59e32a 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [8.1, 8.2, 8.3, 8.4]
+        php-version: [8.1, 8.2, 8.3, 8.4, 8.5]
         os: [ubuntu-latest]
         es-version: [9.0.0-SNAPSHOT]
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0e60b4ef9..c8ea59f84 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [8.1, 8.2, 8.3, 8.4]
+        php-version: [8.1, 8.2, 8.3, 8.4, 8.5]
         os: [ubuntu-latest]
         es-version: [9.0.0-SNAPSHOT]
 
diff --git a/.github/workflows/yaml_test.yml b/.github/workflows/yaml_test.yml
index dd4ac3f1f..f2c9f5152 100644
--- a/.github/workflows/yaml_test.yml
+++ b/.github/workflows/yaml_test.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [8.1, 8.2, 8.3, 8.4]
+        php-version: [8.1, 8.2, 8.3, 8.4, 8.5]
         os: [ubuntu-latest]
         es-version: [9.0.0-SNAPSHOT]
         test-suite: [stack]