diff --git a/requirements.txt b/requirements.txt
index 288e436..e2fdff6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ prompt-toolkit==3.0.5
 ptyprocess==0.6.0
 pycparser==2.20
 PyDispatcher==2.0.5
-Pygments==2.6.1
+Pygments==2.7.4
 pymatgen==2020.4.2
 PyNaCl==1.3.0
 pyparsing==2.4.7