diff --git a/requirements.txt b/requirements.txt
index 23a374c..2ee0f14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ odfpy==1.3.6
 openpyxl==2.5.5
 unicodecsv==0.14.1
 xlwt==1.3.0
-PyYAML==4.2b1
+PyYAML==5.4
 jdcal==1.4
 et_xmlfile==1.0.1
 records==0.5.2