diff --git a/requirements.txt b/requirements.txt
index 02ea2fb..70f0503 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ angles==1.9.12
 astor==0.8.1
 attrs==19.3.0
 backcall==0.1.0
-bleach==3.1.4
+bleach==3.3.0
 bondpy==1.8.3
 cachetools==4.0.0
 camera-calibration==1.12.23