diff --git a/execution-frameworks/contrib/python/requirements.txt b/execution-frameworks/contrib/python/requirements.txt
index 2d25c327..f5835407 100644
--- a/execution-frameworks/contrib/python/requirements.txt
+++ b/execution-frameworks/contrib/python/requirements.txt
@@ -1,2 +1,2 @@
 Unidecode==1.0.22
-PyYAML==3.12
\ No newline at end of file
+PyYAML>=4.2b1