diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 306f6b0..c0230bb 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -5,7 +5,7 @@ dependencies:
 - coverage
 - codacy-coverage
 - molmod =1.4.8
-- numpy =1.22.0
+- numpy =1.22.1
 - pyiron_atomistics =0.2.35
 - scipy =1.7.3
 - spglib =1.16.3
diff --git a/setup.py b/setup.py
index 0e8ffd9..1ddc419 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
     packages=find_packages(exclude=["*tests*", "*docs*", "*binder*", "*conda*", "*notebooks*", "*.ci_support*"]),
     install_requires=[
         'molmod==1.4.8',
-        'numpy==1.22.0',
+        'numpy==1.22.1',
         'pyiron_atomistics==0.2.35',
         'spglib==1.16.3',
         'scipy==1.7.3',