diff --git a/SIMLR_PY/requirements.txt b/SIMLR_PY/requirements.txt
index c2f9021..cc9ae0f 100644
--- a/SIMLR_PY/requirements.txt
+++ b/SIMLR_PY/requirements.txt
@@ -1,5 +1,5 @@
 fbpca==1.0
-numpy==1.8.0
+numpy==1.22.0
 scikit-learn==0.17.1
 scipy==0.13.2
 annoy==1.8.0