diff --git a/requirements.txt b/requirements.txt
index 7868b8e..19e35be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ post==1.0.1
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 public==1.0.1
-Pygments==2.2.0
+Pygments==2.7.4
 python-dateutil==2.7.2
 pyzmq==17.0.0
 query-string==1.0.1