diff --git a/capstone/requirements.txt b/capstone/requirements.txt
index ed86e375..0d504451 100644
--- a/capstone/requirements.txt
+++ b/capstone/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.7.1
 astor==0.7.1
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.1
+bleach==3.3.0
 certifi==2019.3.9
 cycler==0.10.0
 decorator==4.4.0