diff --git a/setup.py b/setup.py
index 907c4d0..7675054 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
     ],
     install_requires=[
         "numpy>=1.20",
-        "ruamel.yaml==0.18.15",
+        "ruamel.yaml==0.19.1",
     ],
     python_requires=">=3.7",
     zip_safe=False,