diff --git a/examples/opacus/pyproject.toml b/examples/opacus/pyproject.toml
index 02cd0c92b47f..7a87d4b1439a 100644
--- a/examples/opacus/pyproject.toml
+++ b/examples/opacus/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["hatchling"]
 build-backend = "hatchling.build"
 
 [project]
-name = "opacus-fl"
+name = "opacus_fl"
 version = "1.0.0"
 description = "Sample-level Differential Privacy with Opacus in Flower"
 dependencies = [