diff --git a/coreML/requirements.txt b/coreML/requirements.txt
index cc41a1c..e912e66 100644
--- a/coreML/requirements.txt
+++ b/coreML/requirements.txt
@@ -41,7 +41,7 @@ prometheus-client==0.6.0
 prompt-toolkit==2.0.9
 protobuf==3.7.1
 pycparser==2.19
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.1
 python-dateutil==2.7.5
 pytz==2018.9