diff --git a/requirements.txt b/requirements.txt
index d2a82bd..678407f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ monty==3.0.4
 mpmath==1.1.0
 mwinterface==0.0.1
 networkx==2.4
-numpy==1.19.1
+numpy==1.22.0
 packaging==20.4
 palettable==3.3.0
 pandas==1.1.0
diff --git a/test_requirements.txt b/test_requirements.txt
index d2a82bd..678407f 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -22,7 +22,7 @@ monty==3.0.4
 mpmath==1.1.0
 mwinterface==0.0.1
 networkx==2.4
-numpy==1.19.1
+numpy==1.22.0
 packaging==20.4
 palettable==3.3.0
 pandas==1.1.0