diff --git a/experimental/environment.yml b/experimental/environment.yml
index 4f928666..9c803132 100644
--- a/experimental/environment.yml
+++ b/experimental/environment.yml
@@ -6,7 +6,7 @@ dependencies:
 - temmeta =0.0.6
 - pyprismatic =2.0.0
 - match-series =1.0.4
-- pyxem =0.20.0
+- pyxem =0.21.0
 - pystem =0.0.26
 - scanf =1.5.2
 - hyperspy =2.2.0
diff --git a/requirements.txt b/requirements.txt
index da35d603..16cb94b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ nglview==3.1.4
 pystem==0.0.26
 python-ace==0.3.0
 pyvista==0.44.2
-pyxem==0.20.0
+pyxem==0.21.0
 pyxtal==1.0.8
 scanf==1.5.2
 seaborn==0.13.2