diff --git a/requirements.txt b/requirements.txt
index 44b1d28..5ad46cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ packaging==16.8
 pyasn1==0.2.3
 pyasn1-modules==0.0.8
 pycparser==2.17
-Pygments==2.2.0
+Pygments==2.7.4
 pyOpenSSL==17.0.0
 pyparsing==2.2.0
 requests==2.18.2