diff --git a/pyproject.toml b/pyproject.toml
index 0fb7b88..d2a2e1e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,9 +22,12 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]
+
+[tool.hatch.metadata]
+allow-direct-references = true
 dependencies = [
     "psycopg2-binary>=2.9,<3.0",
-    "dbt-adapters>=1.1.1,<2.0",
+    "dbt-adapters @ git+https://github.com/dbt-labs/dbt-adapters.git@ADAP-821/support_for_redshift_821",
     # add dbt-core to ensure backwards compatibility of installation, this is not a functional dependency
     "dbt-core>=1.8.0",
     # installed via dbt-adapters but used directly
@@ -53,7 +56,7 @@ path = "dbt/adapters/postgres/__version__.py"
 
 [tool.hatch.envs.default]
 dependencies = [
-    "dbt-adapters @ git+https://github.com/dbt-labs/dbt-adapters.git",
+    "dbt-adapters @ git+https://github.com/dbt-labs/dbt-adapters.git@ADAP-821/support_for_redshift_821",
     "dbt-common @ git+https://github.com/dbt-labs/dbt-common.git",
     "dbt-tests-adapter @ git+https://github.com/dbt-labs/dbt-adapters.git#subdirectory=dbt-tests-adapter",
     "dbt-core @ git+https://github.com/dbt-labs/dbt-core.git#subdirectory=core",