diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 662bd4d96..c73797b95 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -14,7 +14,7 @@ dependencies:
 - plotly =6.3.0
 - pymatgen =2025.3.10
 - pyscal3 =3.3.0
-- pyxtal =1.1.0
+- pyxtal =1.1.1
 - scikit-learn =1.6.1
 - scipy =1.15.2
 - spglib =2.6.0
diff --git a/pyproject.toml b/pyproject.toml
index fc224b5f4..fdbbbff02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ phonopy = [
     "phonopy==2.43.2",
     "spglib==2.6.0",
 ]
-pyxtal = ["pyxtal==1.1.0"]
+pyxtal = ["pyxtal==1.1.1"]
 
 [tool.ruff]
 exclude = [".ci_support", "tests", "setup.py", "_version.py"]