diff --git a/test/utils/shippable/incidental/windows.sh b/test/utils/shippable/incidental/windows.sh
index c168f92538d..ed9645e1cf6 100755
--- a/test/utils/shippable/incidental/windows.sh
+++ b/test/utils/shippable/incidental/windows.sh
@@ -13,14 +13,11 @@ stage="${S:-prod}"
 provider="${P:-default}"
 
 # python versions to test in order
-# python 2.7 runs full tests while other versions run minimal tests
-python_versions=(
-    3.5
-    3.6
-    3.7
-    3.8
-    2.7
-)
+IFS=' ' read -r -a python_versions <<< \
+    "$(PYTHONPATH="${PWD}/test/lib" python -c 'from ansible_test._internal import util; print(" ".join(util.CONTROLLER_PYTHON_VERSIONS))')"
+
+# python version to run full tests on while other versions run minimal tests
+python_default="$(PYTHONPATH="${PWD}/test/lib" python -c 'from ansible_test._internal import util; print(util.CONTROLLER_MIN_PYTHON_VERSION)')"
 
 # version to test when only testing a single version
 single_version=2012-R2
@@ -53,8 +50,8 @@ else
 fi
 
 for version in "${python_versions[@]}"; do
-    if [ "${version}" == "2.7" ]; then
-        # full tests for python 2.7
+    if [ "${version}" == "${python_default}" ]; then
+        # full tests
         ci="${target}"
     else
         # minimal tests for other python versions
diff --git a/test/utils/shippable/windows.sh b/test/utils/shippable/windows.sh
index 549d6a80b55..1e768649591 100755
--- a/test/utils/shippable/windows.sh
+++ b/test/utils/shippable/windows.sh
@@ -14,14 +14,11 @@ stage="${S:-prod}"
 provider="${P:-default}"
 
 # python versions to test in order
-# python 2.7 runs full tests while other versions run minimal tests
-python_versions=(
-    3.5
-    3.6
-    3.7
-    3.8
-    2.7
-)
+IFS=' ' read -r -a python_versions <<< \
+    "$(PYTHONPATH="${PWD}/test/lib" python -c 'from ansible_test._internal import util; print(" ".join(util.CONTROLLER_PYTHON_VERSIONS))')"
+
+# python version to run full tests on while other versions run minimal tests
+python_default="$(PYTHONPATH="${PWD}/test/lib" python -c 'from ansible_test._internal import util; print(util.CONTROLLER_MIN_PYTHON_VERSION)')"
 
 # version to test when only testing a single version
 single_version=2012-R2
@@ -57,8 +54,8 @@ for version in "${python_versions[@]}"; do
     changed_all_target="all"
     changed_all_mode="default"
 
-    if [ "${version}" == "2.7" ]; then
-        # smoketest tests for python 2.7
+    if [ "${version}" == "${python_default}" ]; then
+        # smoketest tests
         if [ "${CHANGED}" ]; then
             # with change detection enabled run tests for anything changed
             # use the smoketest tests for any change that triggers all tests