diff --git a/requirements.txt b/requirements.txt
index 09f49dd..f711158 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ ptyprocess==0.6.0
 pyasn1==0.4.3
 pyasn1-modules==0.2.2
 pydotplus==2.0.2
-Pygments==2.2.0
+Pygments==2.7.4
 pylint==2.1.1
 pypandoc==1.4
 pyparsing==2.2.0