diff --git a/requirements.txt b/requirements.txt
index 27059cc..cf305d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ numpy==1.14.3
 pefile==2017.11.5
 Pillow==5.1.0
 pkg-resources==0.0.0
-PyInstaller==3.3.1
+PyInstaller==5.1
 PyQt5==5.10.1
 scons==3.0.1
 sip==4.19.8