diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/CursorPreparer.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/CursorPreparer.java
index 9942104be..52bec2203 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/CursorPreparer.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/CursorPreparer.java
@@ -31,7 +31,7 @@ import com.mongodb.client.MongoCollection;
  * @author Oliver Gierke
  * @author Christoph Strobl
  */
-interface CursorPreparer extends ReadPreferenceAware {
+public interface CursorPreparer extends ReadPreferenceAware {
 
 	/**
 	 * Default {@link CursorPreparer} just passing on the given {@link FindIterable}.
diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReadPreferenceAware.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReadPreferenceAware.java
index 0eb079392..3e46c0411 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReadPreferenceAware.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReadPreferenceAware.java
@@ -28,7 +28,7 @@ import com.mongodb.ReadPreference;
  * @author Mark Paluch
  * @since 2.2
  */
-interface ReadPreferenceAware {
+public interface ReadPreferenceAware {
 
 	/**
 	 * @return {@literal true} if a {@link ReadPreference} is set.