diff --git a/Metaballs.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Metaballs.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/Metaballs.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Metaballs.xcodeproj/xcshareddata/xcschemes/Kit.xcscheme b/Metaballs.xcodeproj/xcshareddata/xcschemes/Kit.xcscheme
index 8f49d0a..cd0ecf8 100644
--- a/Metaballs.xcodeproj/xcshareddata/xcschemes/Kit.xcscheme
+++ b/Metaballs.xcodeproj/xcshareddata/xcschemes/Kit.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "1000"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Metaballs.xcodeproj/xcshareddata/xcschemes/Metaballs.xcscheme b/Metaballs.xcodeproj/xcshareddata/xcschemes/Metaballs.xcscheme
index 36b6751..a75fec9 100644
--- a/Metaballs.xcodeproj/xcshareddata/xcschemes/Metaballs.xcscheme
+++ b/Metaballs.xcodeproj/xcshareddata/xcschemes/Metaballs.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "1000"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Metaballs.xcodeproj/xcshareddata/xcschemes/Screensaver.xcscheme b/Metaballs.xcodeproj/xcshareddata/xcschemes/Screensaver.xcscheme
index 0adf06c..cc0cbd2 100644
--- a/Metaballs.xcodeproj/xcshareddata/xcschemes/Screensaver.xcscheme
+++ b/Metaballs.xcodeproj/xcshareddata/xcschemes/Screensaver.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "1000"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"