diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index 12a50ba..a50f595 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -105,7 +105,7 @@ jobs:
 
   mac-build:
     if: ${{ github.event.inputs.mac }}
-    runs-on: macos-11 # 10.15 is deprecated :(
+    runs-on: macos-10.15 # 10.15 is deprecated, but still seems to work?
     env:
       MACOSX_DEPLOYMENT_TARGET: "10.9" # it can't be this easy, but let's try
     steps:
diff --git a/pdfstitcher_mac.spec b/pdfstitcher_mac.spec
index 37a67fa..7d97245 100644
--- a/pdfstitcher_mac.spec
+++ b/pdfstitcher_mac.spec
@@ -2,6 +2,8 @@
 
 import os
 from PyInstaller.utils.hooks import copy_metadata
+import importlib.metadata
+__version__ = importlib.metadata.version("pdfstitcher")
 
 block_cipher = None
 locale_paths = []
@@ -40,6 +42,7 @@ exe = EXE(
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
+    # target_arch='universal2', # not yet working, fails on Pillow
     upx=True,
     upx_exclude=[],
     runtime_tmpdir=None,
@@ -50,7 +53,7 @@ app = BUNDLE(
     name="pdfstitcher.app",
     icon="pdfstitcher/resources/stitcher-icon.icns",
     bundle_identifier="org.pdfstitcher",
-    version="0.5",
+    version=f"{__version__}",
     info_plist={
         "NSPrincipalClass": "NSApplication",
         "NSAppleScriptEnabled": False,
diff --git a/pyproject.toml b/pyproject.toml
index ec33f7e..23a6584 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pdfstitcher"
-version = "0.7.1"
+version = "0.7.2"
 description = "The open source PDF stitching software for sewists, by sewists."
 readme = "README.md"
 requires-python = ">=3.8, <3.11"