diff --git a/.buildkite/beta-builds.yml b/.buildkite/beta-builds.yml
index 9d77c5e399b9..d54c253621cb 100644
--- a/.buildkite/beta-builds.yml
+++ b/.buildkite/beta-builds.yml
@@ -5,7 +5,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   #################
diff --git a/.buildkite/code-freeze.yml b/.buildkite/code-freeze.yml
index 2f63df2ba25b..d46b6568e8a9 100644
--- a/.buildkite/code-freeze.yml
+++ b/.buildkite/code-freeze.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   - label: "Code Freeze"
diff --git a/.buildkite/complete-code-freeze.yml b/.buildkite/complete-code-freeze.yml
index 5f1b22ee87b2..c50c7ff05254 100644
--- a/.buildkite/complete-code-freeze.yml
+++ b/.buildkite/complete-code-freeze.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   - label: "Complete Code Freeze"
diff --git a/.buildkite/finalize-release.yml b/.buildkite/finalize-release.yml
index 988b6f9e6905..7c03f7137228 100644
--- a/.buildkite/finalize-release.yml
+++ b/.buildkite/finalize-release.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   - label: "Finalize release"
diff --git a/.buildkite/new-beta-release.yml b/.buildkite/new-beta-release.yml
index 3ce0d1503059..0cde24c0912b 100644
--- a/.buildkite/new-beta-release.yml
+++ b/.buildkite/new-beta-release.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   - label: "New Beta Release"
diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index c6c5356e0c4d..290f05477e29 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &ci_toolkit
-    automattic/a8c-ci-toolkit#2.18.2
+    automattic/a8c-ci-toolkit#3.4.2
   - &test_collector
     test-collector#v1.8.0
   - &test_collector_common_params
diff --git a/.buildkite/release-builds.yml b/.buildkite/release-builds.yml
index c15541c25f66..0e44afed36d1 100644
--- a/.buildkite/release-builds.yml
+++ b/.buildkite/release-builds.yml
@@ -5,7 +5,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   #################
diff --git a/.buildkite/update-release-notes.yml b/.buildkite/update-release-notes.yml
index 67748b4711aa..dcdca7b56518 100644
--- a/.buildkite/update-release-notes.yml
+++ b/.buildkite/update-release-notes.yml
@@ -2,7 +2,7 @@
 common_params:
   # Common plugin settings to use with the `plugins` key.
   - &common_plugins
-    - automattic/a8c-ci-toolkit#2.17.0
+    - automattic/a8c-ci-toolkit#3.4.2
 
 steps:
   - label: "Update release notes"