diff --git a/requirements.txt b/requirements.txt
index 2dd5774..05af948 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ PyMySQL==0.9.3
 python-dateutil==2.6.1
 Scrapy==1.5.0
 scrapy-fake-useragent==1.1.0
-six==1.11.0
+six==1.15.0
 tika==1.19
 uWSGI==2.0.18
 validators==0.14.0
\ No newline at end of file