diff --git a/genewiki/requirements.txt b/genewiki/requirements.txt
index af1d096..308a116 100644
--- a/genewiki/requirements.txt
+++ b/genewiki/requirements.txt
@@ -37,7 +37,7 @@ prompt-toolkit==1.0.14
 ptyprocess==0.5.1
 pycodestyle==2.3.1
 pyflakes==1.5.0
-Pygments==2.2.0
+Pygments==2.7.4
 pyjade==4.0.0
 PyJWT==1.4.2
 pyparsing==2.2.0