diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 21cf477..1e93f69
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 avea==1.4
 requests==2.23.0
-pyyaml==5.3.1
+pyyaml==5.4
 pygame==1.9.6
\ No newline at end of file