diff --git a/requirements.txt b/requirements.txt
index b109863..c923f67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ pexpect==4.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 requests==2.18.4
 simplegeneric==0.8.1
 six==1.10.0