diff --git a/ch03/requirements.txt b/ch03/requirements.txt
index 4476e5b..1a0bc8f 100644
--- a/ch03/requirements.txt
+++ b/ch03/requirements.txt
@@ -1,5 +1,5 @@
 keras==2.1.6
-tensorflow==1.8.0
+tensorflow==2.7.2
 h5py==2.7.1
 Pillow==4.3.0
 opencv-python==3.3.1.11