diff --git a/requirements.txt b/requirements.txt
index 18f4aa8..d09b69e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ py==1.5.3
 pycodestyle==2.3.1
 pycparser==2.18
 pycryptodome>=3.6.6
-Pygments==2.2.0
+Pygments==2.7.4
 pymitter==0.2.3
 Pympler==0.5
 PyMySQL==0.8.1