diff --git a/requirements.txt b/requirements.txt
index f2cc2c0..39d86c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 docutils==0.14
 Pillow==5.3.0
-PyInstaller==3.4
+PyInstaller==5.13.1