diff --git a/requirements.txt b/requirements.txt
index b2641c71..8cc57e21 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ argh @ file:///home/conda/feedstock_root/build_artifacts/argh_1595627874344/work
 argon2-cffi==20.1.0
 asn1crypto @ file:///home/conda/feedstock_root/build_artifacts/asn1crypto_1595949944546/work
 astroid==2.3.3
-astropy==4.0.1.post1
+astropy==5.3.3
 atomicwrites @ file:///home/conda/feedstock_root/build_artifacts/atomicwrites_1588182545583/work
 attrs==19.3.0
 autopep8 @ file:///home/conda/feedstock_root/build_artifacts/autopep8_1591017828430/work