diff --git a/core/jvm/java9/module-info.java b/core/jvm/java9/module-info.java
index 9ab8c5bb8..43124e7c2 100644
--- a/core/jvm/java9/module-info.java
+++ b/core/jvm/java9/module-info.java
@@ -1,6 +1,6 @@
 module kotlinx.datetime {
     requires transitive kotlin.stdlib;
-    requires transitive static kotlinx.serialization.core;
+    requires static kotlinx.serialization.core;
 
     exports kotlinx.datetime;
     exports kotlinx.datetime.serializers;
diff --git a/integration-testing/jpms-test/build.gradle.kts b/integration-testing/jpms-test/build.gradle.kts
new file mode 100644
index 000000000..29d6acf86
--- /dev/null
+++ b/integration-testing/jpms-test/build.gradle.kts
@@ -0,0 +1,11 @@
+plugins {
+    kotlin("jvm")
+}
+
+java {
+    toolchain { languageVersion.set(JavaLanguageVersion.of(11)) }
+}
+
+dependencies {
+    api(project(":kotlinx-datetime"))
+}
diff --git a/integration-testing/jpms-test/src/main/java/module-info.java b/integration-testing/jpms-test/src/main/java/module-info.java
new file mode 100644
index 000000000..bca55b70c
--- /dev/null
+++ b/integration-testing/jpms-test/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module my.jpms.test {
+    requires transitive kotlin.stdlib;
+    requires transitive kotlinx.datetime;
+}
diff --git a/integration-testing/jpms-test/src/main/java/my/jpms/test/InitLocalDate.java b/integration-testing/jpms-test/src/main/java/my/jpms/test/InitLocalDate.java
new file mode 100644
index 000000000..dc1bad5e5
--- /dev/null
+++ b/integration-testing/jpms-test/src/main/java/my/jpms/test/InitLocalDate.java
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2019-2025 JetBrains s.r.o. and contributors.
+ * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
+ */
+
+package my.jpms.test;
+
+import kotlinx.datetime.*;
+
+public class InitLocalDate {
+    LocalDate newLocalDate() {
+        return new LocalDate(2025, 3, 31);
+    }
+}
diff --git a/js-with-timezones/build.gradle.kts b/integration-testing/js-with-timezones/build.gradle.kts
similarity index 100%
rename from js-with-timezones/build.gradle.kts
rename to integration-testing/js-with-timezones/build.gradle.kts
diff --git a/js-with-timezones/src/commonMain/kotlin/Main.kt b/integration-testing/js-with-timezones/src/commonMain/kotlin/Main.kt
similarity index 100%
rename from js-with-timezones/src/commonMain/kotlin/Main.kt
rename to integration-testing/js-with-timezones/src/commonMain/kotlin/Main.kt
diff --git a/js-with-timezones/src/jsMain/kotlin/JsJodaTimeZoneModule.kt b/integration-testing/js-with-timezones/src/jsMain/kotlin/JsJodaTimeZoneModule.kt
similarity index 100%
rename from js-with-timezones/src/jsMain/kotlin/JsJodaTimeZoneModule.kt
rename to integration-testing/js-with-timezones/src/jsMain/kotlin/JsJodaTimeZoneModule.kt
diff --git a/js-with-timezones/src/wasmJsMain/kotlin/JsJodaTimeZoneModule.kt b/integration-testing/js-with-timezones/src/wasmJsMain/kotlin/JsJodaTimeZoneModule.kt
similarity index 100%
rename from js-with-timezones/src/wasmJsMain/kotlin/JsJodaTimeZoneModule.kt
rename to integration-testing/js-with-timezones/src/wasmJsMain/kotlin/JsJodaTimeZoneModule.kt
diff --git a/js-without-timezones/build.gradle.kts b/integration-testing/js-without-timezones/build.gradle.kts
similarity index 100%
rename from js-without-timezones/build.gradle.kts
rename to integration-testing/js-without-timezones/build.gradle.kts
diff --git a/js-without-timezones/common/test/TimezonesWithoutDatabaseTest.kt b/integration-testing/js-without-timezones/common/test/TimezonesWithoutDatabaseTest.kt
similarity index 100%
rename from js-without-timezones/common/test/TimezonesWithoutDatabaseTest.kt
rename to integration-testing/js-without-timezones/common/test/TimezonesWithoutDatabaseTest.kt
diff --git a/serialization/build.gradle.kts b/integration-testing/serialization/build.gradle.kts
similarity index 100%
rename from serialization/build.gradle.kts
rename to integration-testing/serialization/build.gradle.kts
diff --git a/serialization/common/test/DateTimePeriodSerializationTest.kt b/integration-testing/serialization/common/test/DateTimePeriodSerializationTest.kt
similarity index 100%
rename from serialization/common/test/DateTimePeriodSerializationTest.kt
rename to integration-testing/serialization/common/test/DateTimePeriodSerializationTest.kt
diff --git a/serialization/common/test/DateTimeUnitSerializationTest.kt b/integration-testing/serialization/common/test/DateTimeUnitSerializationTest.kt
similarity index 100%
rename from serialization/common/test/DateTimeUnitSerializationTest.kt
rename to integration-testing/serialization/common/test/DateTimeUnitSerializationTest.kt
diff --git a/serialization/common/test/DayOfWeekSerializationTest.kt b/integration-testing/serialization/common/test/DayOfWeekSerializationTest.kt
similarity index 100%
rename from serialization/common/test/DayOfWeekSerializationTest.kt
rename to integration-testing/serialization/common/test/DayOfWeekSerializationTest.kt
diff --git a/serialization/common/test/InstantSerializationTest.kt b/integration-testing/serialization/common/test/InstantSerializationTest.kt
similarity index 100%
rename from serialization/common/test/InstantSerializationTest.kt
rename to integration-testing/serialization/common/test/InstantSerializationTest.kt
diff --git a/serialization/common/test/IntegrationTest.kt b/integration-testing/serialization/common/test/IntegrationTest.kt
similarity index 100%
rename from serialization/common/test/IntegrationTest.kt
rename to integration-testing/serialization/common/test/IntegrationTest.kt
diff --git a/serialization/common/test/LocalDateSerializationTest.kt b/integration-testing/serialization/common/test/LocalDateSerializationTest.kt
similarity index 100%
rename from serialization/common/test/LocalDateSerializationTest.kt
rename to integration-testing/serialization/common/test/LocalDateSerializationTest.kt
diff --git a/serialization/common/test/LocalDateTimeSerializationTest.kt b/integration-testing/serialization/common/test/LocalDateTimeSerializationTest.kt
similarity index 100%
rename from serialization/common/test/LocalDateTimeSerializationTest.kt
rename to integration-testing/serialization/common/test/LocalDateTimeSerializationTest.kt
diff --git a/serialization/common/test/LocalTimeSerializationTest.kt b/integration-testing/serialization/common/test/LocalTimeSerializationTest.kt
similarity index 100%
rename from serialization/common/test/LocalTimeSerializationTest.kt
rename to integration-testing/serialization/common/test/LocalTimeSerializationTest.kt
diff --git a/serialization/common/test/MonthSerializationTest.kt b/integration-testing/serialization/common/test/MonthSerializationTest.kt
similarity index 100%
rename from serialization/common/test/MonthSerializationTest.kt
rename to integration-testing/serialization/common/test/MonthSerializationTest.kt
diff --git a/serialization/common/test/TimeZoneSerializationTest.kt b/integration-testing/serialization/common/test/TimeZoneSerializationTest.kt
similarity index 100%
rename from serialization/common/test/TimeZoneSerializationTest.kt
rename to integration-testing/serialization/common/test/TimeZoneSerializationTest.kt
diff --git a/serialization/common/test/UtcOffsetSerializationTest.kt b/integration-testing/serialization/common/test/UtcOffsetSerializationTest.kt
similarity index 100%
rename from serialization/common/test/UtcOffsetSerializationTest.kt
rename to integration-testing/serialization/common/test/UtcOffsetSerializationTest.kt
diff --git a/serialization/js/test/JsJodaTimeZoneModule.kt b/integration-testing/serialization/js/test/JsJodaTimeZoneModule.kt
similarity index 100%
rename from serialization/js/test/JsJodaTimeZoneModule.kt
rename to integration-testing/serialization/js/test/JsJodaTimeZoneModule.kt
diff --git a/serialization/wasmJs/test/JsJodaTimeZoneModule.kt b/integration-testing/serialization/wasmJs/test/JsJodaTimeZoneModule.kt
similarity index 100%
rename from serialization/wasmJs/test/JsJodaTimeZoneModule.kt
rename to integration-testing/serialization/wasmJs/test/JsJodaTimeZoneModule.kt
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 28c526f29..bfe4aa188 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,10 +20,12 @@ include(":core")
 project(":core").name = "kotlinx-datetime"
 include(":timezones/full")
 project(":timezones/full").name = "kotlinx-datetime-zoneinfo"
-include(":serialization")
-project(":serialization").name = "kotlinx-datetime-serialization"
-include(":js-without-timezones")
-project(":js-without-timezones").name = "kotlinx-datetime-js-test-without-timezones"
-include(":js-with-timezones")
-project(":js-with-timezones").name = "kotlinx-datetime-js-test-with-timezones"
+include(":integration-testing/serialization")
+project(":integration-testing/serialization").name = "kotlinx-datetime-serialization"
+include(":integration-testing/js-without-timezones")
+project(":integration-testing/js-without-timezones").name = "kotlinx-datetime-js-test-without-timezones"
+include(":integration-testing/js-with-timezones")
+project(":integration-testing/js-with-timezones").name = "kotlinx-datetime-js-test-with-timezones"
+include(":integration-testing/jpms-test")
+project(":integration-testing/jpms-test").name = "kotlinx-datetime-test-with-jpms"
 include(":benchmarks")