diff --git a/cntg/requirements.txt b/cntg/requirements.txt
index a00188f..d8b2118 100644
--- a/cntg/requirements.txt
+++ b/cntg/requirements.txt
@@ -2,7 +2,7 @@ folium==0.6.0
 geoalchemy2==0.5.0
 matplotlib==3.0.2
 networkx==2.2
-numpy==1.15.4
+numpy==1.22.0
 psycopg2==2.7.6.1
 pyproj==1.9.5.1
 Shapely==1.6.4.post2
diff --git a/requirements.txt b/requirements.txt
index a7b147d..0570eab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ GeoAlchemy2==0.5.0
 kiwisolver==1.0.1
 matplotlib==2.2.3
 networkx==2.2
-numpy==1.15.2
+numpy==1.22.0
 psycopg2==2.7.5
 psycopg2-binary==2.7.5
 pyparsing==2.2.2