diff --git a/requirements.txt b/requirements.txt
index b2656bb..7170d33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ protobuf==3.5.2
 ptyprocess==0.6.0
 py==1.7.0
 pyglet==1.3.2
-Pygments==2.3.1
+Pygments==2.7.4
 PyOpenGL==3.1.0
 pyparsing==2.3.0
 pytest==4.0.2