diff --git a/requirements.txt b/requirements.txt
index 71c5bee..6569f53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 py-solc==3.1.0
 pycryptodome==3.6.1
-Pygments==2.2.0
+Pygments==2.7.4
 PyJWT==1.6.4
 pysha3==1.0.2
 python3-openid==3.1.0