diff --git a/pyproject.toml b/pyproject.toml
index 9ff6094b..55b11838 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 dependencies = [
-  "capellambse>=0.6.5,<0.7",
+  "capellambse>=0.6.6,<0.7",
   "typing_extensions",
   "pydantic>=2.7.3"
 ]