diff --git a/DTI-CDF_requirements.txt b/DTI-CDF_requirements.txt
index 1f01fd2..377ace0 100644
--- a/DTI-CDF_requirements.txt
+++ b/DTI-CDF_requirements.txt
@@ -57,7 +57,7 @@ prompt-toolkit==1.0.15
 protobuf==3.6.1
 psutil==5.4.8
 ptyprocess==0.6.0
-Pygments==2.4.0
+Pygments==2.7.4
 pyparsing==2.4.0
 PyPDF2==1.25.1
 pyrsistent==0.14.11