diff --git a/4_Classification/requirements.txt b/4_Classification/requirements.txt
index bb92d05..f9e939c 100644
--- a/4_Classification/requirements.txt
+++ b/4_Classification/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==3.3.2
-numpy==1.19.2
+numpy==1.22.0
 pandas==1.1.2
 scikit-learn==0.23.2