diff --git a/build_extensions/axt_released_versions.bzl b/build_extensions/axt_released_versions.bzl
new file mode 100644
index 000000000..e9795a7d5
--- /dev/null
+++ b/build_extensions/axt_released_versions.bzl
@@ -0,0 +1,13 @@
+"""Defines current released AXT versions."""
+
+RUNNER_RELEASED_VERSION = "1.6.0-alpha04"
+RULES_RELEASED_VERSION = "1.6.0-alpha01"
+MONITOR_RELEASED_VERSION = "1.7.0-alpha02"
+ESPRESSO_RELEASED_VERSION = "3.6.0-alpha01"
+CORE_RELEASED_VERSION = "1.6.0-alpha02"
+ESPRESSO_DEVICE_RELEASED_VERSION = "1.0.0-alpha06"
+ANDROIDX_JUNIT_RELEASED_VERSION = "1.2.0-alpha01"
+ANDROIDX_TRUTH_RELEASED_VERSION = "1.6.0-alpha01"
+ANNOTATION_RELEASED_VERSION = "1.1.0-alpha01"
+ORCHESTRATOR_RELEASED_VERSION = "1.5.0-alpha01"
+SERVICES_RELEASED_VERSION = "1.5.0-alpha01"