diff --git a/sentiment-analysis/requirements.txt b/sentiment-analysis/requirements.txt
old mode 100755
new mode 100644
index 6d812da..5f06414
--- a/sentiment-analysis/requirements.txt
+++ b/sentiment-analysis/requirements.txt
@@ -1,5 +1,5 @@
 pytest==3.9.3
-numpy==1.15.3
+numpy==1.22.0
 nltk==3.4.5
 scipy==1.1.0
 msgpack==0.5.6