diff --git a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/BaseIcebergConnectorSmokeTest.java b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/BaseIcebergConnectorSmokeTest.java
index b499a7309f15..df10f40055a1 100644
--- a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/BaseIcebergConnectorSmokeTest.java
+++ b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/BaseIcebergConnectorSmokeTest.java
@@ -36,6 +36,7 @@
 import org.junit.jupiter.api.Timeout;
 
 import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.CyclicBarrier;
@@ -53,7 +54,7 @@
 import static io.trino.testing.TestingConnectorSession.SESSION;
 import static io.trino.testing.TestingNames.randomNameSuffix;
 import static java.lang.String.format;
-import static java.time.format.DateTimeFormatter.ISO_INSTANT;
+import static java.time.ZoneOffset.UTC;
 import static java.util.Objects.requireNonNull;
 import static java.util.concurrent.Executors.newFixedThreadPool;
 import static java.util.concurrent.TimeUnit.SECONDS;
@@ -727,6 +728,8 @@ public void testPartitionFilterRequired()
     @Test
     public void testTableChangesFunction()
     {
+        DateTimeFormatter instantMillisFormatter = DateTimeFormatter.ofPattern("uuuu-MM-dd'T'HH:mm:ss.SSSVV").withZone(UTC);
+
         try (TestTable table = new TestTable(
                 getQueryRunner()::execute,
                 "test_table_changes_function_",
@@ -734,7 +737,7 @@ public void testTableChangesFunction()
             long initialSnapshot = getMostRecentSnapshotId(table.getName());
             assertUpdate("INSERT INTO " + table.getName() + " SELECT nationkey, name FROM nation", 25);
             long snapshotAfterInsert = getMostRecentSnapshotId(table.getName());
-            String snapshotAfterInsertTime = getSnapshotTime(table.getName(), snapshotAfterInsert).format(ISO_INSTANT);
+            String snapshotAfterInsertTime = getSnapshotTime(table.getName(), snapshotAfterInsert).format(instantMillisFormatter);
 
             assertQuery(
                     "SELECT nationkey, name, _change_type, _change_version_id, to_iso8601(_change_timestamp), _change_ordinal " +
@@ -743,7 +746,7 @@ public void testTableChangesFunction()
 
             assertUpdate("DELETE FROM " + table.getName(), 25);
             long snapshotAfterDelete = getMostRecentSnapshotId(table.getName());
-            String snapshotAfterDeleteTime = getSnapshotTime(table.getName(), snapshotAfterDelete).format(ISO_INSTANT);
+            String snapshotAfterDeleteTime = getSnapshotTime(table.getName(), snapshotAfterDelete).format(instantMillisFormatter);
 
             assertQuery(
                     "SELECT nationkey, name, _change_type, _change_version_id, to_iso8601(_change_timestamp), _change_ordinal " +