diff --git a/requirements.txt b/requirements.txt
index 811f091..cdec9af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ more-itertools==7.0.0
 mpmath==1.1.0
 networkx==2.3
 numexpr==2.6.9
-numpy==1.16.3
+numpy==1.22.0
 pandas==0.23.4
 partd==1.0.0
 patsy==0.5.1
diff --git a/requirements_python3.7.txt b/requirements_python3.7.txt
index 811f091..cdec9af 100644
--- a/requirements_python3.7.txt
+++ b/requirements_python3.7.txt
@@ -26,7 +26,7 @@ more-itertools==7.0.0
 mpmath==1.1.0
 networkx==2.3
 numexpr==2.6.9
-numpy==1.16.3
+numpy==1.22.0
 pandas==0.23.4
 partd==1.0.0
 patsy==0.5.1
diff --git a/requirements_python3.8.txt b/requirements_python3.8.txt
index 4bfe691..977be20 100644
--- a/requirements_python3.8.txt
+++ b/requirements_python3.8.txt
@@ -27,7 +27,7 @@ more-itertools==7.0.0
 mpmath==1.1.0
 networkx==2.3
 numexpr==2.7.1
-numpy==1.18.3
+numpy==1.22.0
 packaging==20.3
 pandas==1.0.3
 patsy==0.5.1