diff --git a/pyproject.toml b/pyproject.toml
index 1d20d5f4..0aa41e09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 requires-python = ">=3.9,<3.12"
 dependencies = [
-    "easyScienceCore @ git+https://github.com/easyscience/easycore.git",
+    "easyScienceCore>=0.3.1",
     "refnx>=0.1.15",
     "refl1d>=0.8.14",
     "scipp>=23.12.0",