diff --git a/requirements.txt b/requirements.txt
index 87aca1e..91aa031 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ pluggy==0.6.0
 prompt-toolkit==1.0.15
 py==1.5.4
 py2neo==4.0.0
-Pygments==2.2.0
+Pygments==2.7.4
 pytest==3.6.3
 pytz==2018.5
 six==1.11.0