diff --git a/2017/solutions/rllchatbot/requirements.txt b/2017/solutions/rllchatbot/requirements.txt
index d3da83a50..8253b28e8 100644
--- a/2017/solutions/rllchatbot/requirements.txt
+++ b/2017/solutions/rllchatbot/requirements.txt
@@ -126,7 +126,7 @@ sphinxcontrib-websupport==1.0.1
 statsmodels==0.5.0
 sympy==0.7.4.1
 tables==3.1.1
-tensorflow==1.4.0
+tensorflow==2.5.1
 tensorflow-tensorboard==0.4.0rc2
 termcolor==1.1.0
 terminado==0.6