diff --git a/python/requirements.txt b/python/requirements.txt
index 52c40d0..88f9190 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -13,7 +13,7 @@ pluggy==0.7.1
 prompt-toolkit==1.0.15
 ptyprocess==0.6.0
 py==1.5.4
-Pygments==2.2.0
+Pygments==2.7.4
 pytest==3.7.1
 simplegeneric==0.8.1
 six==1.11.0