diff --git a/requirements.txt b/requirements.txt
index 2a3c19d..c463380 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Pillow==6.1.0
 pycparser==2.19
 PyInstaller==3.5
 pywin32-ctypes==0.2.0
-PyYAML==5.1.2
+PyYAML==5.4
 schedule==0.6.0
 tk==0.1.0
 watchdog==0.9.0