diff --git a/hardware/simulations/requirements.txt b/hardware/simulations/requirements.txt
index e0d655b..ece39d1 100644
--- a/hardware/simulations/requirements.txt
+++ b/hardware/simulations/requirements.txt
@@ -18,7 +18,7 @@ MarkupSafe==1.0
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.5.0
+notebook==6.1.5
 pandocfilters==1.4.2
 parso==0.3.0
 pexpect==4.6.0