diff --git a/capstone/requirements.txt b/capstone/requirements.txt
index ed86e375..5257f145 100644
--- a/capstone/requirements.txt
+++ b/capstone/requirements.txt
@@ -50,7 +50,7 @@ prompt-toolkit==2.0.9
 protobuf==3.7.1
 ptyprocess==0.6.0
 pydot==1.4.1
-Pygments==2.3.1
+Pygments==2.7.4
 pyparsing==2.3.1
 pyrsistent==0.14.11
 python-dateutil==2.8.0