diff --git a/packages/py-frites/package.py b/packages/py-frites/package.py
index 33622ed8765cfc6d15d625cd270b7df40cf1dfa1..3c9d569f8f90fcbb0249df248d6cbb2ad00dbb29 100644
--- a/packages/py-frites/package.py
+++ b/packages/py-frites/package.py
@@ -59,3 +59,4 @@ class PyFrites(PythonPackage):
     depends_on('py-netcdf4', type=('build', 'run'))
     depends_on('py-h5netcdf', type=('build', 'run'))
     depends_on('py-scikit-learn', type=('build', 'run'))
+    depends_on('py-decorator', type=('build', 'run'))