diff --git a/pkg/debian/source/format b/pkg/debian/source/format
index 89ae9db8..9f674278 100644
--- a/pkg/debian/source/format
+++ b/pkg/debian/source/format
@@ -1 +1 @@
-3.0 (native)
+3.0 (native)
\ No newline at end of file
diff --git a/requirements-extra.txt b/requirements-extra.txt
index 1bf68f94..c7eedf21 100644
--- a/requirements-extra.txt
+++ b/requirements-extra.txt
@@ -2,4 +2,4 @@ pytest>=5,<6
 flake8
 tox-travis
 black
-pyinstaller>=3.4,<4.0; sys_platform == 'win32'
\ No newline at end of file
+pyinstaller>=4.0,<5.0; sys_platform == 'win32'
\ No newline at end of file