diff --git a/server/requirements.txt b/server/requirements.txt
index 6076d71c..0d2a8baa 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -1,4 +1,4 @@
-anndata>=0.6.15
+anndata>=0.6.20
 click>=6.7
 Flask>=1.0.2
 Flask-Caching>=1.4.0
@@ -10,6 +10,6 @@ matplotlib>=2.2
 numpy>=1.15.2
 pandas>=0.23.1
 scanpy>=1.3.7
-scipy>=1.1.0,<1.3
+scipy>=1.1.0
 scikit-learn>=0.19.1,!=0.20.0
 tables>=3.5.1