diff -Naur pandas-1.3.5-original/pandas/tests/tools/test_to_datetime.py pandas-1.3.5/pandas/tests/tools/test_to_datetime.py
--- pandas-1.3.5-original/pandas/tests/tools/test_to_datetime.py	2021-12-12 05:20:48.000000000 -0500
+++ pandas-1.3.5/pandas/tests/tools/test_to_datetime.py	2022-04-04 18:13:26.346032539 -0400
@@ -44,6 +44,7 @@
 from pandas.core.arrays import DatetimeArray
 from pandas.core.tools import datetimes as tools
 from pandas.core.tools.datetimes import start_caching_at
+from pandas.util.version import Version
 
 
 class TestTimeConversionFormats:
@@ -761,11 +762,20 @@
 
     @pytest.mark.parametrize("cache", [True, False])
     @td.skip_if_no("psycopg2")
-    def test_to_datetime_tz_psycopg2(self, cache):
+    def test_to_datetime_tz_psycopg2(self, request, cache):
 
         # xref 8260
         import psycopg2
 
+        # https://www.psycopg.org/docs/news.html#what-s-new-in-psycopg-2-9
+        request.node.add_marker(
+            pytest.mark.xfail(
+                Version(psycopg2.__version__.split()[0]) > Version("2.8.7"),
+                raises=AttributeError,
+                reason="psycopg2.tz is deprecated (and appears dropped) in 2.9",
+            )
+        )
+
         # misc cases
         tz1 = psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)
         tz2 = psycopg2.tz.FixedOffsetTimezone(offset=-240, name=None)