diff --git a/algorithms_training/requirements.txt b/algorithms_training/requirements.txt
index c629d8c..e68ccae 100644
--- a/algorithms_training/requirements.txt
+++ b/algorithms_training/requirements.txt
@@ -32,7 +32,7 @@ pickleshare==0.7.5
 prometheus-client==0.5.0
 prompt-toolkit==2.0.8
 ptyprocess==0.6.0
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.1
 python-dateutil==2.7.5
 pytz==2018.9