diff --git a/pkgs/development/python-modules/spectral-cube/default.nix b/pkgs/development/python-modules/spectral-cube/default.nix
index d1c85407fdd6..98132c9f17d3 100644
--- a/pkgs/development/python-modules/spectral-cube/default.nix
+++ b/pkgs/development/python-modules/spectral-cube/default.nix
@@ -2,7 +2,6 @@
 , stdenv
 , aplpy
 , astropy
-, astropy-helpers
 , buildPythonPackage
 , casa-formats-io
 , dask
@@ -17,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "spectral-cube";
-  version = "0.6.2";
+  version = "0.6.3";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-0Fr9PvUShi04z8SUsZE7zHuXZWg4rxt6gwSBb6lr2Pc=";
+    hash = "sha256-7wfvsravSkAGkTtuPE01wPW7wEHKVWT8kYQn93Q2B4M=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
@@ -47,6 +46,11 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  # Tests must be run in the build directory.
+  preCheck = ''
+    cd build/lib
+  '';
+
   # On x86_darwin, this test fails with "Fatal Python error: Aborted"
   # when sandbox = true.
   disabledTestPaths = lib.optionals stdenv.isDarwin [
@@ -63,7 +67,5 @@ buildPythonPackage rec {
     changelog = "https://github.com/radio-astro-tools/spectral-cube/releases/tag/v${version}";
     license = licenses.bsd3;
     maintainers = with maintainers; [ smaret ];
-    # Tests fail to start, according to Hydra
-    broken = true;
   };
 }