diff --git a/requirements.txt b/requirements.txt
index a384d14..063a7fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy==1.20.2
 matplotlib==3.4.1
-astropy==4.2.1
+astropy==5.1.1
 pandas==1.2.4
 xgboost==1.4.1
 seaborn==0.11.1