diff --git a/requirements.txt b/requirements.txt
index f97e2cb..2eb038f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 lib4sbom >= 0.7.5
 sbom4files >= 0.4.4
 sbom2dot >= 0.3.0
-lib4package
+lib4package >= 0.3.0
 importlib_metadata>=3.6; python_version < "3.10"
 toml; python_version < "3.11"