diff --git a/CHANGELOG.md b/CHANGELOG.md
index 251f933255c..bcaaa71a866 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,8 +3,12 @@
 ### Features
 - Allow nullable `error_after` in source freshness ([#3874](https://github.com/dbt-labs/dbt-core/issues/3874), [#3955](https://github.com/dbt-labs/dbt-core/pull/3955))
 
+### Fixes
+- Changes unit tests using `assertRaisesRegexp` to `assertRaisesRegex`
+
 Contributors:
 - [@kadero](https://github.com/kadero) ([3955](https://github.com/dbt-labs/dbt-core/pull/3955))
+- [@frankcash](https://github.com/frankcash) ([4136](https://github.com/dbt-labs/dbt-core/pull/4136)
 
 ## dbt-core 1.0.0b2 (October 25, 2021)
 
diff --git a/test/integration/027_cycle_test/test_cycles.py b/test/integration/027_cycle_test/test_cycles.py
index ae5101d4844..8c8738ab2ef 100644
--- a/test/integration/027_cycle_test/test_cycles.py
+++ b/test/integration/027_cycle_test/test_cycles.py
@@ -16,7 +16,7 @@ def models(self):
     @use_profile('postgres')
     def test_postgres_simple_cycle(self):
         message = "Found a cycle.*"
-        with self.assertRaisesRegexp(Exception, message):
+        with self.assertRaisesRegex(Exception, message):
             self.run_dbt(["run"])
 
 class TestComplexCycle(DBTIntegrationTest):
@@ -33,5 +33,5 @@ def models(self):
     @use_profile('postgres')
     def test_postgres_simple_cycle(self):
         message = "Found a cycle.*"
-        with self.assertRaisesRegexp(Exception, message):
+        with self.assertRaisesRegex(Exception, message):
             self.run_dbt(["run"])