diff --git a/requirements.txt b/requirements.txt
index 3b59235..4e0263d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 cython==0.29.1
 h5py==2.8.0
 nltk==3.6.3
-numpy==1.15.4
+numpy==1.22.0
 Pillow==5.3.0
 pyyaml>=4.2b1
 six==1.11.0