diff --git a/gdcdictionary-2.1.0/requirements.txt b/gdcdictionary-2.1.0/requirements.txt
old mode 100755
new mode 100644
index 369a039..642b8a3
--- a/gdcdictionary-2.1.0/requirements.txt
+++ b/gdcdictionary-2.1.0/requirements.txt
@@ -1,2 +1,2 @@
 jsonschema==3.0.2
-PyYaml==5.1.2
\ No newline at end of file
+PyYaml==5.4
\ No newline at end of file