diff --git a/google/api_core/__init__.py b/google/api_core/__init__.py
index 85811a15..a52ffe87 100644
--- a/google/api_core/__init__.py
+++ b/google/api_core/__init__.py
@@ -30,6 +30,7 @@
 # expose dependency checks for external callers
 check_python_version = _python_version_support.check_python_version
 check_dependency_versions = _python_package_support.check_dependency_versions
+parse_version_to_tuple = _python_package_support.parse_version_to_tuple
 warn_deprecation_for_versions_less_than = (
     _python_package_support.warn_deprecation_for_versions_less_than
 )