diff --git a/src/centpkg/utils.py b/src/centpkg/utils.py
index 2bee038..7ce585e 100644
--- a/src/centpkg/utils.py
+++ b/src/centpkg/utils.py
@@ -40,6 +40,10 @@ pp_phase_name_lookup[pp_phase_devtestdoc] = "DevTestDoc"
 pp_phase_stabilization = 450
 pp_phase_name_lookup[pp_phase_stabilization] = "Stabilization"
 
+# Phase 500 is "Launch"
+pp_phase_launch = 500
+pp_phase_name_lookup[pp_phase_launch] = "Launch"
+
 # Phase 600 is "Maintenance" (AKA Z-stream Phase)
 pp_phase_maintenance = 600
 pp_phase_name_lookup[pp_phase_maintenance] = "Maintenance"
@@ -547,7 +551,7 @@ def determine_rhel_state(
 
     # Query the "package pages" API for the current active Y-stream release
     request_params = {
-        "phase__in": f"{pp_phase_devtestdoc},{pp_phase_stabilization},{pp_phase_maintenance},{pp_phase_unsupported}",
+        "phase__in": f"{pp_phase_devtestdoc},{pp_phase_stabilization},{pp_phase_launch},{pp_phase_maintenance},{pp_phase_unsupported}",
         "product__shortname": "rhel",
         "relgroup__shortname": rhel_version,
         "format": "json",
@@ -678,8 +682,8 @@ def determine_rhel_state(
             " Beta" if target_extra and "beta" in target_extra else "",
         )
 
-        # The prior Y-stream is always in either Stabilization or Maintenance
-        # phase, so it always enforces.
+        # The prior Y-stream is always in either Stabilization, Launch or
+        # Maintenance phase, so it always enforces.
         enforcing = True
 
         if phase == pp_phase_stabilization:
@@ -687,7 +691,8 @@ def determine_rhel_state(
             # between the "zstream" and "exception" targets.
             rhel_target_default = None
         else:
-            # We must be in Maintenance phase
+            # We're in Launch or Maintenance phase, so the "exception" target
+            # is no longer permitted.
             rhel_target_default = "zstream"
 
     return rhel_state_nt(