diff --git a/notebooks/requirements.txt b/notebooks/requirements.txt
index b82a389..c931ba4 100644
--- a/notebooks/requirements.txt
+++ b/notebooks/requirements.txt
@@ -215,7 +215,7 @@ preshed==3.0.2
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
 protobuf==3.9.1
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 py==1.8.0
 py4j==0.10.7