diff --git a/grading-tool/requirements.txt b/grading-tool/requirements.txt
index 1972d9e..8412408 100644
--- a/grading-tool/requirements.txt
+++ b/grading-tool/requirements.txt
@@ -1,3 +1,3 @@
-numpy==1.13.3
+numpy==1.22.0
 pandas==0.20.3
 networkx==2.1
diff --git a/requirements.txt b/requirements.txt
index 99e3772..e141949 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ jupyter-core==4.4.0
 kiwisolver==1.0.1
 nbformat==4.4.0
 networkx==2.2
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pyparsing==2.3.0
 python-dateutil==2.7.5