diff --git a/python/ML-Projects-master/Spam_Filter/requirements.txt b/python/ML-Projects-master/Spam_Filter/requirements.txt
index 316bfd73..36f32192 100644
--- a/python/ML-Projects-master/Spam_Filter/requirements.txt
+++ b/python/ML-Projects-master/Spam_Filter/requirements.txt
@@ -22,7 +22,7 @@ mpmath==0.19
 nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.1.0
+notebook==6.4.12
 numpy==1.13.1
 pandas==0.20.3
 pandocfilters==1.4.2