diff --git a/ML/free-spoken-digit-dataset/pip_requirements.txt b/ML/free-spoken-digit-dataset/pip_requirements.txt
index 5869414..00e34d0 100644
--- a/ML/free-spoken-digit-dataset/pip_requirements.txt
+++ b/ML/free-spoken-digit-dataset/pip_requirements.txt
@@ -1,6 +1,6 @@
 cycler==0.10.0
 matplotlib==1.5.1
-numpy==1.11.0
+numpy==1.21.0
 pyparsing==2.1.5
 python-dateutil==2.5.3
 pytz==2016.4