diff --git a/requirements.txt b/requirements.txt
index e9cbae2..123e459 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ protobuf==3.11.0
 psutil==5.6.5
 ptyprocess==0.6.0
 pycountry==19.8.18
-Pygments==2.4.2
+Pygments==2.7.4
 pyhanlp==0.1.55
 pyltp==0.2.1
 pyparsing==2.4.5