diff --git a/python2_requirements.txt b/python2_requirements.txt
index 7b36755..9aa6033 100644
--- a/python2_requirements.txt
+++ b/python2_requirements.txt
@@ -1,4 +1,4 @@
 python==2.7.13
-numpy==1.13.1
+numpy==1.21.0
 scipy==0.19.1
 pandas==0.20.3
diff --git a/python3_requirements.txt b/python3_requirements.txt
index 7a40eb0..569b517 100644
--- a/python3_requirements.txt
+++ b/python3_requirements.txt
@@ -1,4 +1,4 @@
 python==3.6
-numpy==1.13.1
+numpy==1.21.0
 scipy==0.19.1
 pandas==0.20.3