diff --git a/Makefile b/Makefile
index 8b1dabf6..0f1e64d4 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ build: install
 mac:
 	npm run package:mac
 	mv build/Whalebird-${VERSION}-mac.dmg build/Whalebird-${VERSION}-darwin-x64.dmg
+	cd build; shasum -a 256 Whalebird-${VERSION}-darwin-x64.dmg >> sha256sum.txt
 
 mas:
 	npm run build:mas
@@ -25,14 +26,26 @@ linux:
 	mv build/Whalebird-${VERSION}-linux-i386.deb build/Whalebird-${VERSION}-linux-ia32.deb
 	mv build/Whalebird-${VERSION}-linux-i686.rpm build/Whalebird-${VERSION}-linux-ia32.rpm
 	mv build/Whalebird-${VERSION}-linux-x86_64.AppImage build/Whalebird-${VERSION}-linux-x64.AppImage
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-arm64.tar.bz2 >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-armv7l.tar.bz2 >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-i686.pacman >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-ia32.deb >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-ia32.rpm >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-x64.AppImage >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-x64.deb >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-x64.pacman >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-x64.rpm >> sha256sum.txt
+	cd build; shasum -a 256 Whalebird-${VERSION}-linux-x64.tar.bz2 >> sha256sum.txt
 
 win32:
 	npm run package:win32
 	mv build/Whalebird-${VERSION}-win.exe build/Whalebird-${VERSION}-windows-ia32.exe
+	cd build; shasum -a 256 Whalebird-${VERSION}-windows-ia32.exe >> sha256sum.txt
 
 win64:
 	npm run package:win64
 	mv build/Whalebird-${VERSION}-win.exe build/Whalebird-${VERSION}-windows-x64.exe
+	cd build; shasum -a 256 Whalebird-${VERSION}-windows-x64.exe >> sha256sum.txt
 
 clean:
 	npm run build:clean