diff --git a/requirements.txt b/requirements.txt
index 618f763..2b667c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 appnope==0.1.0
-bleach==2.1.2
+bleach==3.3.0
 cvxopt==1.1.9
 cycler==0.10.0
 Cython==0.27.3