diff --git a/hardware/simulations/requirements.txt b/hardware/simulations/requirements.txt
index e0d655b..cc50a14 100644
--- a/hardware/simulations/requirements.txt
+++ b/hardware/simulations/requirements.txt
@@ -1,5 +1,5 @@
 backcall==0.1.0
-bleach==2.1.3
+bleach==3.3.0
 decorator==4.3.0
 entrypoints==0.2.3
 html5lib==1.0.1