diff --git a/requirements.txt b/requirements.txt
index 0d390c5..78285c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-astropy==4.2.1
+astropy==5.3.3
 attrs==21.2.0
 boto3==1.17.85
 botocore==1.20.85