diff --git a/CNN.TensorFlow.Tutorial/requirements.txt b/CNN.TensorFlow.Tutorial/requirements.txt
index 00d6ea8..b805285 100644
--- a/CNN.TensorFlow.Tutorial/requirements.txt
+++ b/CNN.TensorFlow.Tutorial/requirements.txt
@@ -18,7 +18,7 @@ click==7.1.1
 colorama==0.4.3
 cycler==0.12.1
 Cython==0.29.16
-decorator==4.4.2
+decorator==5.1.1
 defusedxml==0.6.0
 demjson==2.2.4
 entrypoints==0.4