diff --git a/Vagrantfile b/Vagrantfile
index 055094720..bf63c9be9 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -143,7 +143,7 @@ def install_pyinstaller()
     . borg-env/bin/activate
     git clone https://github.com/thomaswaldmann/pyinstaller.git
     cd pyinstaller
-    git checkout v3.3-fixed
+    git checkout v3.3.1
     python setup.py install
   EOF
 end