diff --git a/pyproject.toml b/pyproject.toml
index e96607b..b8623aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 keywords = ['ase', 'fleur']
 requires-python = ">=3.7"
 dependencies = [
-            'git+https://gitlab.com/ase/ase.git@master',
+            'ase @ git+https://gitlab.com/ase/ase.git@master',
             'masci_tools>=0.7.2',
         ]