diff --git a/core/dbt/adapters/__init__.py b/core/dbt/adapters/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/core/setup.py b/core/setup.py
index 5eb29bdc0b5..7a4b33dee42 100644
--- a/core/setup.py
+++ b/core/setup.py
@@ -75,9 +75,9 @@ def read(fname):
         'mashumaro==2.0',
         'typing-extensions>=3.7.4,<3.8',
         # the following are all to match snowflake-connector-python
-        'requests>=2.18.0,<2.24.0',
-        'idna<2.10',
-        'cffi>=1.9,<1.15',
+        'requests<3.0.0',
+        'idna>=2.5,<3',
+        'cffi>=1.9,<2.0.0',
     ],
     zip_safe=False,
     classifiers=[
diff --git a/plugins/redshift/setup.py b/plugins/redshift/setup.py
index 14d6229bf2f..276fff62751 100644
--- a/plugins/redshift/setup.py
+++ b/plugins/redshift/setup.py
@@ -48,8 +48,8 @@
     install_requires=[
         'dbt-core=={}'.format(package_version),
         'dbt-postgres=={}'.format(package_version),
-        # match snowflake-connector-python supported ranges
-        'boto3>=1.4.4,<1.16',
+        # the following are all to match snowflake-connector-python
+        'boto3>=1.4.4,<2.0.0',
     ],
     zip_safe=False,
     classifiers=[
diff --git a/plugins/snowflake/setup.py b/plugins/snowflake/setup.py
index 80d01285f8e..02f310a13fe 100644
--- a/plugins/snowflake/setup.py
+++ b/plugins/snowflake/setup.py
@@ -47,11 +47,8 @@
     },
     install_requires=[
         'dbt-core=={}'.format(package_version),
-        'snowflake-connector-python[secure-local-storage]==2.4.1',
-        'azure-common<2.0.0',
-        'azure-storage-blob>=12.0.0,<13.0.0',
-        'urllib3>=1.20,<1.26.0',
-        # this seems sufficiently broad
+        'snowflake-connector-python[secure-local-storage]==2.4',
+        'requests<3.0.0',
         'cryptography>=3.2,<4',
     ],
     zip_safe=False,