diff --git a/requirements.txt b/requirements.txt
index 3daa6a8f637..7960f2497be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,6 @@ csvkit==0.9.1
 snowplow-tracker==0.7.2
 celery==3.1.23
 voluptuous==0.10.5
-snowflake-connector-python==1.4.0
+snowflake-connector-python==1.4.9
 colorama==0.3.9
 google-cloud-bigquery==0.26.0
-pyasn1==0.2.3
diff --git a/setup.py b/setup.py
index 99106b323fa..cca8e9458ca 100644
--- a/setup.py
+++ b/setup.py
@@ -40,9 +40,8 @@
         'snowplow-tracker==0.7.2',
         'celery==3.1.23',
         'voluptuous==0.10.5',
-        'snowflake-connector-python>=1.3.16',
+        'snowflake-connector-python>=1.4.9',
         'colorama==0.3.9',
         'google-cloud-bigquery==0.26.0',
-        'pyasn1==0.2.3',
     ]
 )