diff --git a/4.Data-Engineering/requirements.txt b/4.Data-Engineering/requirements.txt
index ce358be..c059b0a 100644
--- a/4.Data-Engineering/requirements.txt
+++ b/4.Data-Engineering/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.0.2
 nltk==3.4.5
-numpy==1.16.2
+numpy==1.22.0
 pandas==0.24.2
 plotly==4.0.0
 scikit-learn==0.21.2