diff --git a/requirements.txt b/requirements.txt
index 6f7d7ad..863a965 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11
 notebook==5.0.0
-numpy==1.13.1
+numpy==1.21.0
 olefile==0.44
 pandocfilters==1.4.2
 pexpect==4.2.1
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 4329941..65296c5 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -23,7 +23,7 @@ nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11
 notebook==5.0.0
-numpy==1.13.1
+numpy==1.21.0
 olefile==0.44
 pandocfilters==1.4.2
 pexpect==4.2.1