diff --git a/requirements.txt b/requirements.txt
index e9a411f..e0bd876 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pexpect==4.6.0
 pickleshare==0.7.5
 prompt-toolkit==2.0.7
 ptyprocess==0.6.0
-Pygments==2.3.1
+Pygments==2.7.4
 PySocks==1.6.8
 python-dateutil==2.7.5
 pytz==2018.7