diff --git a/ros/wf5/requirements.txt b/ros/wf5/requirements.txt
index 467acc1..bceb5c1 100644
--- a/ros/wf5/requirements.txt
+++ b/ros/wf5/requirements.txt
@@ -59,7 +59,7 @@ prov==1.5.1
 psutil==5.5.0
 py==1.7.0
 pycparser==2.19
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.2
 pysolr==3.8.1
 pytest==3.8.2