diff --git a/pyproject.toml b/pyproject.toml
index 8a12dc7..370e002 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 dependencies = [
     "rougail-base >= 1.1,<2",
-    "ruamel.yaml ~= 0.18.6",
+    "ruamel.yaml ~= 0.19.1",  # same version as rougail
 ]
 
 [project.urls]