diff --git a/tox.ini b/tox.ini
index 21f7a2b1..6faf721a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -301,7 +301,7 @@ commands =
 changedir = integration_test_project
 deps =
     dbt-postgres~=1.8.0
-    dbt-core=~1.8.0
+    dbt-core~=1.8.0
 commands =
     dbt clean
     dbt deps