diff --git a/requirements-full.txt b/requirements-full.txt
index e19aa1c..6853f05 100644
--- a/requirements-full.txt
+++ b/requirements-full.txt
@@ -20,7 +20,7 @@ Pint==0.7.2
 port-for==0.3.1
 psutil==5.6.6
 pycparser==2.17
-Pygments==2.2.0
+Pygments==2.7.4
 PyOpenGL==3.1.0
 pyparsing==2.1.10
 #PyQt4==4.11.4