diff --git a/basic_statistic/requirements.txt b/basic_statistic/requirements.txt
index f32beac..395b781 100644
--- a/basic_statistic/requirements.txt
+++ b/basic_statistic/requirements.txt
@@ -33,7 +33,7 @@ plotly==4.4.1
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 ptyprocess==0.6.0
-Pygments==2.5.2
+Pygments==2.7.4
 pyrsistent==0.15.7
 python-dateutil==2.8.1
 pytz==2019.3