diff --git a/tacotron2-PPP-1.3.0/requirements.txt b/tacotron2-PPP-1.3.0/requirements.txt
index 6e0d001..d8a3509 100644
--- a/tacotron2-PPP-1.3.0/requirements.txt
+++ b/tacotron2-PPP-1.3.0/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==2.1.0
-tensorflow==1.15
+tensorflow==2.3.1
 inflect==0.2.5
 librosa==0.6.0
 scipy==1.0.0