diff --git a/src/requirements.txt b/src/requirements.txt
index 6551002..b65f802 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,6 +1,6 @@
 python-twitter==3.4.2
 tqdm==4.26.0
 backports.csv==1.0.6
-PyYAML==4.2
+PyYAML==5.4
 python-dateutil==2.7.3
 python-Levenshtein==0.12.0