diff --git a/requirements.txt b/requirements.txt
index 671ca96..917ebbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ psycopg2-binary==2.7.7
 pycodestyle==2.3.1
 pycparser==2.19
 pydocstyle==2.0.0
-Pygments==2.2.0
+Pygments==2.7.4
 pylint==1.7.2
 pyparsing==2.2.0
 python-dateutil==2.7.5