diff --git a/Chapter09/chatbots_code/requirements.txt.txt b/Chapter09/chatbots_code/requirements.txt.txt
index 0b9bc17..053f4de 100644
--- a/Chapter09/chatbots_code/requirements.txt.txt
+++ b/Chapter09/chatbots_code/requirements.txt.txt
@@ -2,4 +2,4 @@ numpy==1.14.0
 scikit-learn==0.19.1
 scipy==1.0.0
 six==1.11.0
-tensorflow==1.3.0
\ No newline at end of file
+tensorflow==2.11.1
\ No newline at end of file
diff --git a/Chapter09/requirements.txt.txt b/Chapter09/requirements.txt.txt
index 0b9bc17..053f4de 100644
--- a/Chapter09/requirements.txt.txt
+++ b/Chapter09/requirements.txt.txt
@@ -2,4 +2,4 @@ numpy==1.14.0
 scikit-learn==0.19.1
 scipy==1.0.0
 six==1.11.0
-tensorflow==1.3.0
\ No newline at end of file
+tensorflow==2.11.1
\ No newline at end of file