diff --git a/requirements.txt b/requirements.txt
index 50cb325..a80db90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ astroid==2.0.4
 attrs==18.2.0
 Automat==0.7.0
 backcall==0.1.0
-bleach==3.0.0
+bleach==3.3.0
 cffi==1.11.5
 chardet==3.0.4
 conda==4.3.16
diff --git a/setup.py b/setup.py
index 3be42a5..37b093b 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
       "attrs==18.2.0",
       "Automat==0.7.0",
       "backcall==0.1.0",
-      "bleach==3.0.0",
+      "bleach==3.3.0",
       "certifi==2018.10.15",
       "cffi==1.11.5",
       "chardet==3.0.4",