diff --git a/testsuite/src/it/java/org/graalvm/tests/integration/AppReproducersTest.java b/testsuite/src/it/java/org/graalvm/tests/integration/AppReproducersTest.java
index b97e7bb..66b7a66 100644
--- a/testsuite/src/it/java/org/graalvm/tests/integration/AppReproducersTest.java
+++ b/testsuite/src/it/java/org/graalvm/tests/integration/AppReproducersTest.java
@@ -85,8 +85,15 @@
 public class AppReproducersTest {
 
     private static final Logger LOGGER = Logger.getLogger(AppReproducersTest.class.getName());
+    private static final String LOCALEINCLUDES_SWITCH_REPLACEMENT_1_MANDREL_PRE_24_2_0 = "-J-Duser.country=CA";
+    private static final String LOCALEINCLUDES_SWITCH_REPLACEMENT_2_MANDREL_PRE_24_2_0 = "-J-Duser.language=fr";
+    private static final String LOCALEINCLUDES_SWITCH_REPLACEMENT_1_MANDREL_POST_24_2_0 = "-H:IncludeLocales=fr-CA";
+    private static final String LOCALEINCLUDES_SWITCH_REPLACEMENT_2_MANDREL_POST_24_2_0 = "";
+    private static final String EXTRA_TZONES_OPTS = "-Duser.language=fr";
 
     public static final String BASE_DIR = getBaseDir();
+    public static final String LOCALEINCLUDES_TOKEN_1 = "<TZ_INCLUDE_TOKEN_1>";
+    public static final String LOCALEINCLUDES_TOKEN_2 = "<TZ_INCLUDE_TOKEN_2>";
 
     @Test
     @Tag("randomNumbers")
@@ -702,10 +709,25 @@ public void timezonesBakedIn(TestInfo testInfo) throws IOException, InterruptedE
             // Build
             processLog = Path.of(appDir.getAbsolutePath(), "logs", "build-and-run.log").toFile();
 
-            builderRoutine(app, report, cn, mn, appDir, processLog);
+            Map<String, String> switches = null;
+            final boolean inContainer = app.runtimeContainer != ContainerNames.NONE;
+            if (UsedVersion.getVersion(inContainer).compareTo(Version.create(24, 2, 0)) >= 0) {
+                // Locale inclusion for Mandrel 24.2 ignores -Duser.language and -Duser.country settings
+                // at build time.
+                switches = Map.of(LOCALEINCLUDES_TOKEN_1, LOCALEINCLUDES_SWITCH_REPLACEMENT_1_MANDREL_POST_24_2_0,
+                                  LOCALEINCLUDES_TOKEN_2, LOCALEINCLUDES_SWITCH_REPLACEMENT_2_MANDREL_POST_24_2_0);
+            } else {
+                switches = Map.of(LOCALEINCLUDES_TOKEN_1, LOCALEINCLUDES_SWITCH_REPLACEMENT_1_MANDREL_PRE_24_2_0,
+                                  LOCALEINCLUDES_TOKEN_2, LOCALEINCLUDES_SWITCH_REPLACEMENT_2_MANDREL_PRE_24_2_0);
+            }
+            builderRoutine(0, app.buildAndRunCmds.cmds.length - 1, app, report, cn, mn, appDir, processLog, null, switches);
 
             LOGGER.info("Running...");
             List<String> cmd = getRunCommand(app.buildAndRunCmds.cmds[app.buildAndRunCmds.cmds.length - 1]);
+            if (UsedVersion.getVersion(inContainer).compareTo(Version.create(24, 2, 0)) >= 0) {
+                // Mandrel 24.2 needs the desired language set at runtime
+                cmd.add(EXTRA_TZONES_OPTS);
+            }
             process = runCommand(cmd, appDir, processLog, app);
             assertNotNull(process, "The test application failed to run. Check " + getLogsDir(cn, mn) + File.separator + processLog.getName());
             process.waitFor(5, TimeUnit.SECONDS);
diff --git a/testsuite/src/it/java/org/graalvm/tests/integration/utils/BuildAndRunCmds.java b/testsuite/src/it/java/org/graalvm/tests/integration/utils/BuildAndRunCmds.java
index d8623fe..314cfac 100755
--- a/testsuite/src/it/java/org/graalvm/tests/integration/utils/BuildAndRunCmds.java
+++ b/testsuite/src/it/java/org/graalvm/tests/integration/utils/BuildAndRunCmds.java
@@ -22,6 +22,8 @@
 import java.io.File;
 
 import static org.graalvm.tests.integration.AppReproducersTest.BASE_DIR;
+import static org.graalvm.tests.integration.AppReproducersTest.LOCALEINCLUDES_TOKEN_1;
+import static org.graalvm.tests.integration.AppReproducersTest.LOCALEINCLUDES_TOKEN_2;
 import static org.graalvm.tests.integration.JFRTest.JFR_FLIGHT_RECORDER_HOTSPOT_TOKEN;
 import static org.graalvm.tests.integration.JFRTest.JFR_MONITORING_SWITCH_TOKEN;
 import static org.graalvm.tests.integration.PerfCheckTest.FINAL_NAME_TOKEN;
@@ -191,7 +193,7 @@ public enum BuildAndRunCmds {
     }),
     TIMEZONES(new String[][]{
             new String[]{"mvn", "package"},
-            new String[]{"native-image", "-J-Duser.country=CA", "-J-Duser.language=fr", "-jar", "target/timezones.jar", "target/timezones"},
+            new String[]{"native-image", LOCALEINCLUDES_TOKEN_1, LOCALEINCLUDES_TOKEN_2, "-jar", "target/timezones.jar", "target/timezones"},
             new String[]{IS_THIS_WINDOWS ? "target\\timezones.exe" : "./target/timezones"}
     }),
     CALENDARS(new String[][]{