diff --git a/requirements.txt b/requirements.txt
index d0c90e2..ba0bd9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ protobuf==3.7.0
 ptyprocess==0.6.0
 py==1.7.0
 pycuda==2018.1.1
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.1
 pyrsistent==0.14.11
 pytest==4.0.2