diff --git a/ch08/requirements.txt b/ch08/requirements.txt
index cfa3ca9..7183861 100644
--- a/ch08/requirements.txt
+++ b/ch08/requirements.txt
@@ -1,5 +1,5 @@
 keras==2.1.6
-tensorflow==1.8.0
+tensorflow==2.7.2
 gym==0.10.5
 pygame==1.9.3
 h5py==2.7.1