diff --git a/requirements.txt b/requirements.txt
index 0384175..c82a6df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ genanki==0.6.3
 misaka==2.1.0
 pycparser==2.18
 pystache==0.5.4
-PyYAML==3.13
+PyYAML==5.1
 Pygments==2.4.0
 houdini.py==0.1.0