diff --git a/requirements.txt b/requirements.txt
index f406dab..20b4b4d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,7 @@ idna==3.6
 Mastodon.py==1.8.0
 python-dateutil==2.8.2
 python-magic==0.4.27
+PyYAML==6.0.1
 requests==2.28.2
 six==1.16.0
 soupsieve==2.5