diff --git a/CPU_Mac_Requirements.txt b/CPU_Mac_Requirements.txt
index 2b3f3d1..baf6648 100644
--- a/CPU_Mac_Requirements.txt
+++ b/CPU_Mac_Requirements.txt
@@ -64,7 +64,7 @@ neurdflib==5.0.0.post1
 nibabel==2.4.1
 nilearn==0.5.2
 nipype==1.2.0
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.21.0
 openblas==0.3.6
 openssl==1.1.1b