diff --git a/requirements.txt b/requirements.txt
index 9c317e6..4d2a0fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ protobuf==3.5.2
 py==1.7.0
 pycparser==2.19
 pyglet==1.3.2
-Pygments==2.3.1
+Pygments==2.7.4
 PyOpenGL==3.1.0
 pyparsing==2.3.1
 pytest==4.2.0