diff --git a/requirements.txt b/requirements.txt
index 4095422..1bb5025 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ psutil==5.4.6
 youtube_dl==2018.11.18
 Pillow==5.2.0
 Requests==2.20.0
-PyYAML==3.12
-streamlink==0.14.2
\ No newline at end of file
+PyYAML>=4.2b1
+streamlink==0.14.2