diff --git a/pip_requirements.txt b/pip_requirements.txt
index 2bb1e12..08ec95d 100644
--- a/pip_requirements.txt
+++ b/pip_requirements.txt
@@ -1,4 +1,4 @@
 html5lib==1.0b1
 beautifulsoup4==4.2.0
-PyYAML==3.10
+PyYAML==5.1
 html2text==3.200.3