diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ee20ee2..dcabbf4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,5 +3,5 @@ repos:
     rev: 19.3b0
     hooks:
       - id: black
-        language_version: python3.7
-        exclude_types: ['markdown', 'ini', 'toml', 'rst']
\ No newline at end of file
+        language_version: python3.6
+        exclude_types: ['markdown', 'ini', 'toml', 'rst']