diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 41b2fb3..a7e953d
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ pickleshare==0.7.4
 Pillow==5.1.0
 prompt-toolkit==1.0.15
 pycrypto==2.6.1
-Pygments==2.2.0
+Pygments==2.7.4
 pygobject==3.26.1
 pyparsing==2.4.7
 pyshp==2.1.0