diff --git a/setup.cfg b/setup.cfg
index f51901a8..492a65ab 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,9 @@ filterwarnings =
 # (adding it to conftest is ineffective as the PrototypeWarning line above already
 # triggers this warning at the time of collection
     ignore::astropy.utils.iers.iers.IERSStaleWarning
+# These two are also needed for python 3.8
+    ignore:Importing ErfaWarning:astropy.utils.exceptions.AstropyDeprecationWarning
+    ignore::astropy.utils.exceptions.ErfaWarning
 # We need to ignore this module level warning to not cause issues at collection time.
 # Remove it once warning is removed from code (in 1.7).
     ignore:pyvo.discover:pyvo.utils.prototype.PrototypeWarning