diff --git a/pyproject.toml b/pyproject.toml
index b1b07c41..b4e0973e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
     "fmu-sumo-uploader @ git+https://github.com/equinor/fmu-sumo-uploader.git@main",
     "fmu-dataio",
     "opm<=2022.4,>=2020.10.2",
-    "ecl2df",
+    "res2df",
     "pandas<2.0",
     "arrow",
 ]