diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index ddf9ef2..f7f0c49
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.8.0
 attrs==19.1.0
 audioread==2.1.8
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.4
 cffi==1.12.3
 cryptography==2.1.4
 cycler==0.10.0