diff --git a/TobiChallenge/requirements.txt b/TobiChallenge/requirements.txt
index 90f78e1..ff51132 100644
--- a/TobiChallenge/requirements.txt
+++ b/TobiChallenge/requirements.txt
@@ -38,7 +38,7 @@ preshed==2.0.1
 prompt-toolkit==2.0.9
 ptyprocess==0.6.0
 pycparser==2.19
-Pygments==2.3.1
+Pygments==2.7.4
 PyJWT==1.7.1
 python-dateutil==2.8.0
 pytz==2018.9