diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7ff42db5..62ab6582
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ py==1.7.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
 pygame==1.9.4
-Pygments==2.3.1
+Pygments==2.7.4
 pylint==2.2.2
 PyQt5==5.12
 PyQt5-sip==4.19.14