diff --git a/requirements-dev.txt b/requirements-dev.txt
index 847f09a..835499e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 atomicwrites==1.2.1
 attrs==18.2.0
-bleach==3.0.2
+bleach==3.3.0
 certifi==2018.11.29
 chardet==3.0.4
 docutils==0.14