diff --git a/varana/requirements.txt b/varana/requirements.txt
index 76b683b..245cd43 100644
--- a/varana/requirements.txt
+++ b/varana/requirements.txt
@@ -1,4 +1,4 @@
-astropy==4.1
+astropy==5.3.3
 matplotlib==3.3.4
 numpy==1.22.0
 pytest==6.2.2