diff --git a/Makefile b/Makefile
index 7783729..8ab4938 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,8 @@ ifeq (run,$(firstword $(MAKECMDGOALS)))
   $(eval $(RUN_ARGS):;@:)
 endif
 
+.PHONY: all build run test
+
 # code quality
 all: black typehint lint
 
@@ -24,8 +26,9 @@ test:
 	rye run coverage report
 
 # build
+#rye run pyinstaller src/stacosys/run.py --name stacosys --onefile
 build:
-	rye run pyinstaller stacosys.spec
+	rye run pyinstaller --clean stacosys.spec
 
 # run
 run:
diff --git a/stacosys.spec b/stacosys.spec
index 8b8ca35..da67012 100644
--- a/stacosys.spec
+++ b/stacosys.spec
@@ -1,9 +1,6 @@
 # -*- mode: python ; coding: utf-8 -*-
 
 
-block_cipher = None
-
-
 a = Analysis(
     ['src/stacosys/run.py'],
     pathex=[],
@@ -14,18 +11,14 @@ a = Analysis(
     hooksconfig={},
     runtime_hooks=[],
     excludes=[],
-    win_no_prefer_redirects=False,
-    win_private_assemblies=False,
-    cipher=block_cipher,
     noarchive=False,
 )
-pyz = PYZ(a.pure, a.zipped_data, cipher=block_cipher)
+pyz = PYZ(a.pure)
 
 exe = EXE(
     pyz,
     a.scripts,
     a.binaries,
-    a.zipfiles,
     a.datas,
     [],
     name='stacosys',