diff --git a/README.md b/README.md
index d1f5767689..20a275368d 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ If you want to contribute to OpenFisca-Core itself, welcome! To install it local
 ```bash
 git clone https://github.com/openfisca/openfisca-core.git
 cd openfisca-core
-pip install --editable .[dev] --use-deprecated=legacy-resolver
+pip install --editable .[dev]
 ```
 
 ## Testing