diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6b74b5..e2e51e0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
         pip install certifi
         git clone https://github.com/pyinstaller/pyinstaller.git
         cd pyinstaller
-        git checkout tags/v4.1
+        git checkout tags/v4.2
         cd bootloader
         python waf all
         cd ..