diff --git a/python-histograms/requirements.txt b/python-histograms/requirements.txt
index 920b2cde..08055ccb 100644
--- a/python-histograms/requirements.txt
+++ b/python-histograms/requirements.txt
@@ -1,3 +1,3 @@
 mip_helper==0.7.8
-numpy==1.14.2
+numpy==1.22.2
 pandas==0.22.0