diff --git a/requirements.txt b/requirements.txt
index d839f3c4b..9eab00fcb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ markdown2==2.3.5
 packaging==16.8
 roman==2.0.0
 beautifulsoup4==4.6.0
-pyyaml>=5.1b1
+pyyaml>=5.1
 PyInstaller == 3.3