diff --git a/requirements.txt b/requirements.txt
index 5e80278..44d9647 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ jupyter-core==4.1.0
 Lasagne==0.1
 matplotlib==1.3.1
 notebook==4.2.0
-numpy==1.11.0
+numpy==1.21.0
 pickleshare==0.7.2
 Pillow==2.3.0
 pyzmq==15.2.0