diff --git a/requirements.txt b/requirements.txt
index 02000304..8f7f58d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -135,7 +135,7 @@ pycosat==0.6.3
 pycparser==2.19
 pycrypto==2.6.1
 pyflakes==2.1.1
-Pygments==2.3.1
+Pygments==2.7.4
 pylint==2.3.1
 pymongo==3.8.0
 pyOpenSSL==19.0.0