diff --git a/deepface/commons/functions.py b/deepface/commons/functions.py
index df535d7..135546d 100644
--- a/deepface/commons/functions.py
+++ b/deepface/commons/functions.py
@@ -18,6 +18,7 @@ import tensorflow as tf
 import keras
 import bz2
 from deepface.commons import distance
+from mtcnn import MTCNN #0.1.0
 
 def loadBase64Img(uri):
    encoded_data = uri.split(',')[1]
@@ -275,7 +276,7 @@ def detect_face(img, detector_backend = 'opencv', grayscale = False, enforce_det
 				raise ValueError("Face could not be detected. Please confirm that the picture is a face photo or consider to set enforce_detection param to False.") 
 		
 	elif detector_backend == 'mtcnn':
-		from mtcnn import MTCNN #0.1.0
+		
 		mtcnn_detector = MTCNN()
 		
 		detections = mtcnn_detector.detect_faces(img)
@@ -431,7 +432,6 @@ def align_face(img, detector_backend = 'opencv'):
 	
 	elif detector_backend == 'mtcnn':
 		
-		from mtcnn import MTCNN #0.1.0
 		mtcnn_detector = MTCNN()
 		detections = mtcnn_detector.detect_faces(img)
 		
diff --git a/requirements.txt b/requirements.txt
index 65f5932..02f965e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,5 @@ Pillow>=5.2.0
 opencv-python>=3.4.4
 tensorflow>=1.9.0
 keras>=2.2.0
-Flask>=1.1.2
\ No newline at end of file
+Flask>=1.1.2
+mtcnn>=0.1.0
\ No newline at end of file