diff --git a/build-instructions.md b/build-instructions.md
index 1a8e049..4ae5125 100644
--- a/build-instructions.md
+++ b/build-instructions.md
@@ -1,13 +1,11 @@
-# macOS
+# Linux / macOS
 
-`pyinstaller -F -w -n ESPHome-Flasher -i icon.icns esphomeflasher/__main__.py`
+ * `pip install -r requirements_build.txt`
+ * `pyinstaller -F -w -n FujiNet-Flasher -i icon.icns esphomeflasher/__main__.py`
 
 # Windows
 
-1. Start up VM
-2. Install Python (3) from App Store
-3. Download esphome-flasher from GitHub
-4. `pip install -e.` and `pip install pyinstaller`
-5. Check with `python -m esphomeflasher.__main__`
-6. `python -m PyInstaller.__main__ -F -w -n ESPHome-Flasher -i icon.ico esphomeflasher\__main__.py`
-7. Go to `dist` folder, check ESPHome-Flasher.exe works.
+ * `pip install pyinstaller`
+ * `pip install -r requirements_build.txt`
+ * `pip install -e.`
+ * `python -m PyInstaller.__main__ -F -w -n FujiNet-Flasher -i icon.ico esphomeflasher\__main__.py`
diff --git a/requirements_build.txt b/requirements_build.txt
index 2f96553..3bc31b6 100644
--- a/requirements_build.txt
+++ b/requirements_build.txt
@@ -3,6 +3,7 @@ wheel
 wxpython==4.1.1
 esptool==3.0
 requests>=2.24.0,<3
-pyinstaller>=4.5.1,<5
+pyinstaller==4.10
+pyinstaller-hooks-contrib==2023.2
 certifi
 cryptography>=3.4.8
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