diff --git a/Sources/DataCapturing/Capturing/Sensors/LocationCapturer.swift b/Sources/DataCapturing/Capturing/Sensors/LocationCapturer.swift
index c0bf253..edf371b 100644
--- a/Sources/DataCapturing/Capturing/Sensors/LocationCapturer.swift
+++ b/Sources/DataCapturing/Capturing/Sensors/LocationCapturer.swift
@@ -40,7 +40,7 @@ public protocol LocationCapturer {
 
  - Author: Klemens Muthmann
  */
-class SmartphoneLocationCapturer: NSObject, LocationCapturer {
+public class SmartphoneLocationCapturer: NSObject, LocationCapturer {
     // MARK: Properties
     /// This is the maximum time between two location updates allowed before the service assumes that it does not have a valid location fix anymore.
     private static let maxAllowedTimeBetweenLocationUpdates = TimeInterval(2.0)
diff --git a/Sources/DataCapturing/Capturing/Sensors/SensorCapturer.swift b/Sources/DataCapturing/Capturing/Sensors/SensorCapturer.swift
index f266b09..3862beb 100644
--- a/Sources/DataCapturing/Capturing/Sensors/SensorCapturer.swift
+++ b/Sources/DataCapturing/Capturing/Sensors/SensorCapturer.swift
@@ -43,7 +43,7 @@ public protocol SensorCapturer {
 
  - Author: Klemens Muthmann
  */
-class SmartphoneSensorCapturer: SensorCapturer {
+public class SmartphoneSensorCapturer: SensorCapturer {
 
     // MARK: - Properties
     /// The timestamp of the previously captured acceleration. This is stored to make sure all accelerations are captured in increasing order.