diff --git a/setup.cfg b/setup.cfg
index a6a74edf8..9f6d953ef 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -114,6 +114,7 @@ mypy =
     types-Markdown
     types-PyMySQL
     types-PyYAML
+    snowflake-connector-python==3.3.0
 
 # All extras from above except 'mypy', 'docs' and 'tests'
 all =