diff --git a/Pipfile b/Pipfile
index e4cb193..264e41f 100644
--- a/Pipfile
+++ b/Pipfile
@@ -14,7 +14,7 @@ name = "pypi"
 
 pytest = "==3.3.2"
 pylint = "==1.8.1"
-pyinstaller = "==3.3.1"
+pyinstaller = "==3.6"
 coverage = "==4.4.2"
 tox = "==2.9.1"
 sphinx = "*"