diff --git a/src/univers/version_range.py b/src/univers/version_range.py
index c62d5b21..a153da72 100644
--- a/src/univers/version_range.py
+++ b/src/univers/version_range.py
@@ -805,7 +805,7 @@ class NugetVersionRange(MavenVersionRange):
     version_class = versions.NugetVersion
 
 
-class ComposerVersionRange(VersionRange):
+class ComposerVersionRange(NpmVersionRange):
     # TODO composer may need its own scheme see https//github.com/nexB/univers/issues/5
     # and https//getcomposer.org/doc/articles/versions.md
     scheme = "composer"