diff --git a/requirements.txt b/requirements.txt
index 6afbe70..0e650b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ anaconda-navigator==1.9.7
 anaconda-project==0.8.2
 asn1crypto==0.24.0
 astroid==2.2.5
-astropy==3.1.2
+astropy==5.3.3
 atomicwrites==1.3.0
 attrs==19.1.0
 Babel==2.6.0