diff --git a/requirements.txt b/requirements.txt
index 5768c45..0c01115 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ prompt-toolkit==1.0.14
 psycopg2==2.7.1
 ptyprocess==0.5.2
 pycparser==2.18
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 pyramid==1.9
 pyramid-debugtoolbar==4.2.1