diff --git a/requirements.txt b/requirements.txt
index 011657a..69c257c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 astrodbkit2 ~= 0.5.0
-astropy == 5.3.3
+astropy ~= 6.0.0
 astroquery ~= 0.4.0
 corner ~= 2.2.0
 dynesty ~= 2.1.0