diff --git a/pyproject.toml b/pyproject.toml
index 70e7e25..4318e66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 dependencies = [
     "rougail >= 1.1,<2",
-    "tiramisu_cmdline_parser >= 1,<2",
+    "tiramisu_cmdline_parser > 0.6,<2",
 ]
 
 [project.urls]