diff --git a/requirements.txt b/requirements.txt
index 654ffa7..5b60fa4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ MarkupSafe==0.23
 MySQL-python==1.2.5
 PIL==1.1.7
 Pillow==2.6.0
-PyYAML==3.11
+PyYAML==5.4
 Pygments==1.6
 South==0.8
 Twisted==13.2.0