diff --git a/requirements.txt b/requirements.txt
index 5fa07b6..bd58de9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.5
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.2
 packaging==20.3
 pandas==1.0.3
diff --git a/weekFour/requirements.txt b/weekFour/requirements.txt
index 7b4fa53..320bb16 100644
--- a/weekFour/requirements.txt
+++ b/weekFour/requirements.txt
@@ -24,7 +24,7 @@ mistune==0.8.4
 more-itertools==7.0.0
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.1
 numpy==1.16.4
 packaging==19.0
 pandas==0.24.2
diff --git a/weekThree/requirements.txt b/weekThree/requirements.txt
index ebddcba..02fc48c 100644
--- a/weekThree/requirements.txt
+++ b/weekThree/requirements.txt
@@ -22,7 +22,7 @@ mistune==0.8.4
 more-itertools==7.0.0
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.1
 numpy==1.16.4
 packaging==19.0
 pandas==0.24.2
diff --git a/weekTwo/requirements.txt b/weekTwo/requirements.txt
index ebddcba..02fc48c 100644
--- a/weekTwo/requirements.txt
+++ b/weekTwo/requirements.txt
@@ -22,7 +22,7 @@ mistune==0.8.4
 more-itertools==7.0.0
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.1
 numpy==1.16.4
 packaging==19.0
 pandas==0.24.2