diff --git a/ci/appveyor/build.cmd b/ci/appveyor/build.cmd
index d5b374fb3ebd70672907d496b758cc69ad28b9ea..c8feff2410a04f4f6ad220b0204c792c0cfd658a 100644
--- a/ci/appveyor/build.cmd
+++ b/ci/appveyor/build.cmd
@@ -12,7 +12,7 @@ pyrcc5 -version
 lrelease -version
 
 pip install -r requirements.txt
-pip install pyinstaller
+pip install https://github.com/pyinstaller/pyinstaller/archive/develop.zip
 
 python gen_resources.py
 if %errorlevel% neq 0 exit /b 1s