diff --git a/setup.py b/setup.py
index ee5848eb6..c6341770e 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@
         'plotly~=5.0',
         'python-dateutil~=2.8',
         'requests~=2.25',
-        'specutils==1.3',
+        'specutils==1.6.0',
     ],
     extras_require={
         'test': ['factory_boy==3.2.0'],