diff --git a/Lecture5/minrequirements.txt b/Lecture5/minrequirements.txt
index 687024f..7aa27fa 100644
--- a/Lecture5/minrequirements.txt
+++ b/Lecture5/minrequirements.txt
@@ -1,2 +1,2 @@
-numpy==1.17.5
+numpy==1.22.0
 matplotlib==3.1.2
diff --git a/Lecture5/requirements.txt b/Lecture5/requirements.txt
index 70bab6d..ee7b2ed 100644
--- a/Lecture5/requirements.txt
+++ b/Lecture5/requirements.txt
@@ -28,7 +28,7 @@ more-itertools==8.1.0
 nbconvert==5.6.1
 nbformat==5.0.4
 notebook==6.0.3
-numpy==1.17.5
+numpy==1.22.0
 pandocfilters==1.4.2
 parso==0.6.0
 pexpect==4.8.0