diff --git a/24. Generative Networks (GANs)/Face-Aging-with-Identity-Preserved-Conditional-Generative-Adversarial-Networks-master/requirements.txt b/24. Generative Networks (GANs)/Face-Aging-with-Identity-Preserved-Conditional-Generative-Adversarial-Networks-master/requirements.txt
index 62b7b133c..c4dc09403 100644
--- a/24. Generative Networks (GANs)/Face-Aging-with-Identity-Preserved-Conditional-Generative-Adversarial-Networks-master/requirements.txt	
+++ b/24. Generative Networks (GANs)/Face-Aging-with-Identity-Preserved-Conditional-Generative-Adversarial-Networks-master/requirements.txt	
@@ -1,5 +1,5 @@
 tensorflow-gpu==1.4.1
 scipy==1.0.0
-opencv-python==3.3.0.10
+opencv-python==4.2.0.32
 numpy==1.11.0
 Pillow==5.1.0