diff --git a/capsnet-arch/requirements.txt b/capsnet-arch/requirements.txt
index 8da22e5..05fcd36 100644
--- a/capsnet-arch/requirements.txt
+++ b/capsnet-arch/requirements.txt
@@ -46,7 +46,7 @@ mock==3.0.5
 nbconvert==5.5.0
 nbformat==4.4.0
 notebook==5.7.8
-numpy==1.16.4
+numpy==1.22.0
 opt-einsum==3.2.1
 pandocfilters==1.4.2
 parso==0.5.0