diff --git a/spring-modulith-core/pom.xml b/spring-modulith-core/pom.xml
index a9bd3494..f46dcd38 100644
--- a/spring-modulith-core/pom.xml
+++ b/spring-modulith-core/pom.xml
@@ -91,6 +91,12 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>io.projectreactor</groupId>
+			<artifactId>reactor-core</artifactId>
+			<scope>test</scope>
+		</dependency>
+
 	</dependencies>
 
 </project>
diff --git a/spring-modulith-core/src/test/java/org/springframework/modulith/core/ArchitecturallyEvidentTypeUnitTest.java b/spring-modulith-core/src/test/java/org/springframework/modulith/core/ArchitecturallyEvidentTypeUnitTest.java
index 9c8b57c3..da50b844 100644
--- a/spring-modulith-core/src/test/java/org/springframework/modulith/core/ArchitecturallyEvidentTypeUnitTest.java
+++ b/spring-modulith-core/src/test/java/org/springframework/modulith/core/ArchitecturallyEvidentTypeUnitTest.java
@@ -33,6 +33,7 @@ import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.context.ApplicationListener;
 import org.springframework.context.event.EventListener;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.reactive.ReactiveCrudRepository;
 import org.springframework.modulith.core.ArchitecturallyEvidentType.SpringAwareArchitecturallyEvidentType;
 import org.springframework.modulith.core.ArchitecturallyEvidentType.SpringDataAwareArchitecturallyEvidentType;
 import org.springframework.stereotype.Repository;
@@ -76,6 +77,24 @@ class ArchitecturallyEvidentTypeUnitTest {
 		assertThat(type.isRepository()).isTrue();
 	}
 
+	@Test // GH-187
+	void detectsSpringDataRepositories() {
+
+		var type = ArchitecturallyEvidentType.of(
+				classes.getRequiredClass(SampleRepository.class), Classes.NONE);
+
+		assertThat(type.isRepository()).isTrue();
+	}
+
+	@Test // GH-187
+	void detectsReactiveSpringDataRepositories() {
+
+		var type = ArchitecturallyEvidentType.of(
+				classes.getRequiredClass(ReactiveSampleRepository.class), Classes.NONE);
+
+		assertThat(type.isRepository()).isTrue();
+	}
+
 	@Test
 	void doesNotConsiderEntityAggregateRoot() {
 
@@ -197,6 +216,9 @@ class ArchitecturallyEvidentTypeUnitTest {
 
 	interface SampleRepository extends CrudRepository<SampleEntity, UUID> {}
 
+	// GH-187
+	interface ReactiveSampleRepository extends ReactiveCrudRepository<SampleEntity, UUID> {}
+
 	@Entity
 	class OtherEntity {}