diff --git a/requirements.txt b/requirements.txt
index cbd39c2..4f32c3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ mypy-extensions==0.2.0
 pathtools==0.1.2
 promise==2.0.2
 py==1.4.34
-Pygments==2.2.0
+Pygments==2.7.4
 PyMySQL==0.7.11
 pytest==3.1.3
 pytest-asyncio==0.6.0