diff --git a/requirements.txt b/requirements.txt
index 1dc8b4d..16523c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ plotly==3.3.0
 prompt-toolkit==1.0.15
 pycairo==1.16.2
 pycrypto==2.6.1
-Pygments==2.2.0
+Pygments==2.7.4
 pygobject==3.26.1
 pyinotify==0.9.6
 pymetrikz==0.4