diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index d4fe8014..a2fe8c79 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -25,7 +25,7 @@ jobs:
     
     - name: Install dependencies
       run: |
-        pip install -U setuptools>=40.1 wheel cmake
+        pip install -U setuptools>=40.1 wheel 'cmake<3.20'
         pip install .
     
     - name: Test with bats
diff --git a/setup.py b/setup.py
index 8289bdb6..a5fee6fb 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='scanpy-scripts',
-    version='0.4.0',
+    version='0.4.1',
     author='nh3',
     author_email='nh3@users.noreply.github.com',
     description='Scripts for using scanpy from the command line',
@@ -44,12 +44,12 @@
         'scanpy>=1.6.0',
         'louvain',
         'leidenalg',
-        'loompy>=2.0.0,<3.0.0',
+        'loompy',
         'MulticoreTSNE',
-        'Click',
+        'Click<8',
         'umap-learn<0.4.0',
         'harmonypy>=0.0.5',
-        'bbknn>=1.3.12',
+        'bbknn>=1.3.12,<1.5.0',
         'mnnpy>=0.1.9.5'
     ],
 )