diff --git a/requirements.txt b/requirements.txt
index abf57da..e42e9d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 scipy==0.19.0
-numpy==1.12.1
+numpy==1.21.0
 py==1.4.33
 pytest==3.0.7
 pillow