diff --git a/core/requirements.txt b/core/requirements.txt
old mode 100755
new mode 100644
index 161c9cf..4786284
--- a/core/requirements.txt
+++ b/core/requirements.txt
@@ -78,7 +78,7 @@ ptyprocess==0.6.0
 py==1.7.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
-Pygments==2.4.2
+Pygments==2.7.4
 pylint==2.2.2
 pytest==4.0.2
 pytest-cov==2.6.1