diff --git a/core/src/main/java/google/registry/schema/tld/PremiumListDao.java b/core/src/main/java/google/registry/schema/tld/PremiumListDao.java
index 1ff71c9ef..508191c96 100644
--- a/core/src/main/java/google/registry/schema/tld/PremiumListDao.java
+++ b/core/src/main/java/google/registry/schema/tld/PremiumListDao.java
@@ -66,10 +66,15 @@ public class PremiumListDao {
     jpaTm()
         .transact(
             () -> {
-              checkArgument(
-                  checkExists(premiumList.getName()),
-                  "Can't update non-existent premium list '%s'",
-                  premiumList.getName());
+              // This check is currently disabled because, during the Cloud SQL migration, we need
+              // to be able to update premium lists in Datastore while simultaneously creating their
+              // first revision in Cloud SQL (i.e. if they haven't been migrated over yet).
+              // TODO(b/147246613): Reinstate this once all premium lists are migrated to Cloud SQL,
+              //                 and re-enable the test update_throwsWhenListDoesntExist().
+              // checkArgument(
+              //     checkExists(premiumList.getName()),
+              //     "Can't update non-existent premium list '%s'",
+              //     premiumList.getName());
               jpaTm().getEntityManager().persist(premiumList);
             });
   }
diff --git a/core/src/test/java/google/registry/schema/tld/PremiumListDaoTest.java b/core/src/test/java/google/registry/schema/tld/PremiumListDaoTest.java
index b3e50aeed..2a203de9f 100644
--- a/core/src/test/java/google/registry/schema/tld/PremiumListDaoTest.java
+++ b/core/src/test/java/google/registry/schema/tld/PremiumListDaoTest.java
@@ -35,6 +35,7 @@ import java.math.BigDecimal;
 import java.util.Optional;
 import org.joda.money.CurrencyUnit;
 import org.joda.money.Money;
+import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -125,7 +126,9 @@ public class PremiumListDaoTest {
     assertThat(thrown).hasMessageThat().isEqualTo("Premium list 'testlist' already exists");
   }
 
+  // TODO(b/147246613): Un-ignore this.
   @Test
+  @Ignore
   public void update_throwsWhenListDoesntExist() {
     IllegalArgumentException thrown =
         assertThrows(