diff --git a/pyproject.toml b/pyproject.toml
index f985253ec0..b03cfe8022 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,6 @@ dbt-all = [
     "dbt-databricks!=1.9.0",
     "dbt-duckdb",
     "dbt-exasol",
-    "dbt-duckdb",
     "dbt-mysql",
     "dbt-oracle",
     "dbt-postgres",