diff --git a/packages/populace-build/tests/test_us_fiscal_refresh_builder.py b/packages/populace-build/tests/test_us_fiscal_refresh_builder.py
index 84d21de..6c1bf11 100644
--- a/packages/populace-build/tests/test_us_fiscal_refresh_builder.py
+++ b/packages/populace-build/tests/test_us_fiscal_refresh_builder.py
@@ -942,6 +942,19 @@ def test_reviewed_exclusions_are_exact_for_fiscal_refresh() -> None:
     assert tuple(exclusions) == builder.REVIEWED_EXCLUDED_ALIASES
 
 
+def test_fiscal_refresh_uses_target_period_medicaid_source() -> None:
+    builder = _load_builder_module()
+
+    assert (
+        "cms-medicaid-chip-monthly-enrollment-december-2024"
+        in builder.DIRECT_ACTIVE_ALIASES
+    )
+    assert (
+        "cms-medicaid-chip-monthly-enrollment-dataset"
+        in builder.REVIEWED_EXCLUDED_ALIASES
+    )
+
+
 def test_reviewed_exclusions_fail_when_hard_target_surface_changes(
     monkeypatch,
 ) -> None:
diff --git a/tools/build_us_fiscal_refresh_release.py b/tools/build_us_fiscal_refresh_release.py
index 440c0c1..eba5d34 100644
--- a/tools/build_us_fiscal_refresh_release.py
+++ b/tools/build_us_fiscal_refresh_release.py
@@ -107,7 +107,7 @@
 
 DIRECT_ACTIVE_ALIASES = (
     "cms-aca-oep-state-level",
-    "cms-medicaid-chip-monthly-enrollment-dataset",
+    "cms-medicaid-chip-monthly-enrollment-december-2024",
     "cms-medicare-trustees-report-2025-part-b-premium-income",
     "census-stc-individual-income-tax",
     "hhs-acf-tanf-caseload-2024",
@@ -143,7 +143,7 @@
     "cms-aca-effectuated-enrollment-2022",
     "cms-aca-oep-state-level-2022",
     "cms-aca-oep-state-level-2025",
-    "cms-medicaid-chip-monthly-enrollment-december-2024",
+    "cms-medicaid-chip-monthly-enrollment-dataset",
     "cms-nhe-historical-service-source",
     "hhs-acf-liheap-fy2023-national-profile",
     "hhs-acf-liheap-fy2024-national-profile",