diff --git a/core/setup.py b/core/setup.py
index d506f05862e..34a444fb82b 100644
--- a/core/setup.py
+++ b/core/setup.py
@@ -75,7 +75,7 @@
         "dbt-semantic-interfaces>=0.5.0a2,<0.6",
         # Minor versions for these are expected to be backwards-compatible
         "dbt-common<2.0",
-        "dbt-adapters>=0.1.0a2,<1.0",
+        "dbt-adapters>=0.1.0a2,<2.0",
         # ----
         # Expect compatibility with all new versions of these packages, so lower bounds only.
         "packaging>20.9",