diff --git a/packaging/windows.spec b/packaging/windows.spec
index 1c8dd81..6c21f7f 100644
--- a/packaging/windows.spec
+++ b/packaging/windows.spec
@@ -50,7 +50,7 @@ exe = EXE(
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
-    upx=True,
+    upx=False,
     upx_exclude=[],
     runtime_tmpdir=None,
     console=False,