diff --git a/pkgs/development/python-modules/astropy/default.nix b/pkgs/development/python-modules/astropy/default.nix
index 2658ba99b1f..2fe59e53d9c 100644
--- a/pkgs/development/python-modules/astropy/default.nix
+++ b/pkgs/development/python-modules/astropy/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "astropy";
-  version = "4.0.3";
+  version = "4.2";
 
   disabled = !isPy3k; # according to setup.py
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "cf69d1a3f140ca8fe1664202072201395495a73c334a69fc965fab6a6e1d281a";
+    sha256 = "2c194f8a429b8399de64a413a06881ea49f0525cabaa2d78fc132b9e970adc6a";
   };
 
   nativeBuildInputs = [ astropy-helpers cython jinja2 ];