diff --git a/dbt/adapters/impala/connections.py b/dbt/adapters/impala/connections.py
index 1fa2059..edc1444 100644
--- a/dbt/adapters/impala/connections.py
+++ b/dbt/adapters/impala/connections.py
@@ -224,6 +224,20 @@ def open(cls, connection):
                     retries=credentials.retries,
                 )
                 auth_type = "kerberos"
+            elif (
+                    credentials.auth_type == "PLAIN"
+                    or credentials.auth_type == "plain"
+            ):  # plain type connection
+                handle = impala.dbapi.connect(
+                    host=credentials.host,
+                    port=credentials.port,
+                    auth_mechanism="PLAIN",
+                    use_ssl=credentials.use_ssl,
+                    user=credentials.username,
+                    password=credentials.password,
+                    retries=credentials.retries,
+                )
+                auth_type = "plain"
             else:  # default, insecure connection
                 handle = impala.dbapi.connect(
                     host=credentials.host,
diff --git a/setup.py b/setup.py
index 810d322..35b28fe 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@ def _get_dbt_core_version():
         'dbt-core~={}'.format(dbt_core_version),
         "impyla==0.18",
         "python-decouple>=3.6",
-        "kerberos>=1.3.0",
+        # "kerberos>=1.3.0", # Not required per README, doesn't work on Windows
     ],
     classifiers=[
         "Development Status :: 4 - Beta",