diff --git a/requirements.txt b/requirements.txt
index c91a094c2..311198ea3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Jinja2>=2.10,<2.11  # http://jinja.pocoo.org/docs/latest/changelog/
 MarkupSafe==2.0.1
 
 # Only for some importers:
-pyyaml>=5.3,<5.4  # http://pyyaml.org/wiki/PyYAML
+pyyaml>=5.3,<6.1  # http://pyyaml.org/wiki/PyYAML
 
 # Only for printing:
 pycups==2.0.4  # https://pypi.python.org/pypi/pycups