diff --git a/REQUIREMENTS.txt b/REQUIREMENTS.txt
index 4bc2581..58cf534 100644
--- a/REQUIREMENTS.txt
+++ b/REQUIREMENTS.txt
@@ -1,5 +1,5 @@
 Cython==0.24.1
-numpy==1.11.1
+numpy==1.22.0
 scipy==0.18.1
 matplotlib==1.5.3
 python-twitter==3.1