diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1170d27..9e87eb8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # New in version UNRELEASED
 
+* Fix tests for Python 3.12
+
 New in version 0.1.7
 
 * Allow ranges of decimal digits in some fields, to match specifications more
diff --git a/tests/test_p7m.py b/tests/test_p7m.py
index 32af140..ce4e031 100644
--- a/tests/test_p7m.py
+++ b/tests/test_p7m.py
@@ -103,7 +103,7 @@ def test_verify_corrupted_payload(self):
         encap_content_info["content"] = b"All your base are belong to us"
         p7m.data = p7m.content_info.dump()
         with self.capath() as capath:
-            with self.assertRaisesRegexp(InvalidSignatureError, r"routines:CMS_verify:content verify error"):
+            with self.assertRaisesRegex(InvalidSignatureError, r"routines:CMS_verify:content verify error"):
                 p7m.verify_signature(capath)
 
     def test_verify_noca(self):
@@ -111,6 +111,6 @@ def test_verify_noca(self):
         if p7m.is_expired():
             self.skipTest("test signature has expired and needs to be regenerated")
         with tempfile.TemporaryDirectory() as capath:
-            with self.assertRaisesRegexp(
+            with self.assertRaisesRegex(
                     InvalidSignatureError, r"Verify error:\s*unable to get local issuer certificate"):
                 p7m.verify_signature(capath)