diff --git a/requirements.txt b/requirements.txt
index b8e2d69b..ab823d41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-astropy==5.3.2
+astropy==5.3.3
 matplotlib==3.7.2
 numpy==1.25.2
 scipy==1.11.2