diff --git a/pyproject.toml b/pyproject.toml
index 6b67b91a..e7e283c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
 ]
 dependencies = [
-    "dbt-adapters>=0.1.0a6,<0.2.0",
+    "dbt-adapters>=0.1.0a1,<2.0",
     "psycopg2>=2.9,<3.0",
     # installed via dbt-adapters but used directly
     "dbt-common<2.0",