Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -1,6 +1,9 @@
 AC_INIT(ObjFW, 0.91-dev, js@heap.zone)
+dnl This may only be set to 0.91 once 0.91 is released
+AC_SUBST(BUNDLE_VERSION, 0.90.9900)
+AC_SUBST(BUNDLE_SHORT_VERSION, 0.90)
 BUILDSYS_INIT
 
 AS_IF([test configure.ac -nt configure], [
 	AC_MSG_ERROR([configure.ac is newer than configure! Run autoreconf!])
 ])

Index: src/Info.plist.in
==================================================================
--- src/Info.plist.in
+++ src/Info.plist.in
@@ -11,10 +11,12 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleVersion</key>
-	<string>@PACKAGE_VERSION@</string>
+	<string>@BUNDLE_VERSION@</string>
 	<key>CFBundleShortVersionString</key>
-	<string>@PACKAGE_VERSION@</string>
+	<string>@BUNDLE_SHORT_VERSION@</string>
+	<key>MinimumOSVersion</key>
+	<string>9.0</string>
 </dict>
 </plist>

Index: src/bridge/Info.plist.in
==================================================================
--- src/bridge/Info.plist.in
+++ src/bridge/Info.plist.in
@@ -11,10 +11,12 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleVersion</key>
-	<string>@PACKAGE_VERSION@</string>
+	<string>@BUNDLE_VERSION@</string>
 	<key>CFBundleShortVersionString</key>
-	<string>@PACKAGE_VERSION@</string>
+	<string>@BUNDLE_SHORT_VERSION@</string>
+	<key>MinimumOSVersion</key>
+	<string>9.0</string>
 </dict>
 </plist>